Sweet Potato and Green Bean Roast

Delicious & Easy Sheet Pan Roasted Sweet Potatoes and Green Beans with Pecans

Some nights, the most respectable goal is simply getting a wholesome dinner on the table without a fuss. These are the evenings when I reach into my “lazy recipe” vault, pulling out gems that require minimal effort but deliver surprisingly delicious results. This Sheet Pan Roasted Sweet Potatoes and Green Beans with Pecans recipe fits that description perfectly, making it an ideal choice for busy households seeking healthy and flavorful options.

Imagine tender, caramelized sweet potatoes mingling with crisp-tender green beans, all brought to life with a hint of nutty pecans. This vibrant side dish is not only incredibly satisfying but also aligns with various dietary needs, being naturally gluten-free, dairy-free, and vegan. Its simplicity is its charm: just a quick toss with olive oil and pantry-staple seasonings, then straight into the oven on a single sheet pan. The result? A flavorful, nutritious, and easy side that pairs beautifully with almost any protein, transforming a simple meal into something special.

Roasted green beans, sweet potatoes, and pecans artfully arranged on a sheet pan, showcasing their delicious caramelization and inviting textures.

This dish is more than just a quick fix; it’s a testament to how simple, wholesome ingredients can come together to create something truly delicious. The natural sweetness of the potatoes, the vibrant snap of the green beans, and the earthy richness of the pecans combine to create a symphony of flavors and textures that will delight your palate. It’s a fantastic way to incorporate more vegetables into your diet, proving that healthy eating can be both convenient and incredibly satisfying. Whether you’re a seasoned home cook or a beginner, this recipe is foolproof and guaranteed to become a regular in your rotation.

(Psst… if you love roasted veggies, you absolutely must try these amazing roasted carrots and green beans too!)

Understanding Your Ingredients: The Heart of Flavor

The beauty of this recipe lies in its simplicity and the quality of its core ingredients. Each component plays a vital role in creating a harmonious and flavorful dish. Let’s delve a bit deeper into what makes these ingredients shine.

A vibrant selection of fresh sweet potatoes, green beans, olive oil, raw pecans, and a variety of seasoning spices, ready for roasting.

Sweet Potato: The Naturally Sweet Star

Sweet potatoes are the foundation of this dish, offering a wonderful balance of sweetness and a creamy texture when roasted. While I often prefer to peel them for a smoother finish, leaving the skin on adds valuable fiber and nutrients. It also saves you a step, which is a win on those busy nights! When selecting sweet potatoes, look for firm, unblemished ones. For optimal roasting, aim for uniform ½-inch dice – this ensures they cook evenly and caramelize beautifully, developing those irresistible crispy edges that make roasted vegetables so appealing.

Green Beans: The Crisp, Vibrant Counterpart

Fresh green beans provide a delightful snap and vibrant color to the medley. Opt for fresh beans whenever possible, as they hold up best to roasting. Many grocery stores now offer pre-trimmed green beans, which is a fantastic time-saver. If trimming them yourself, simply snap or cut off the stem ends. Cutting them in half, especially if they are long, makes them more manageable to eat and helps them cook through faster. Their slightly earthy flavor perfectly complements the sweetness of the potatoes.

Olive Oil: The Golden Elixir for Roasting

High-quality olive oil is crucial for achieving perfectly roasted vegetables. It not only helps the seasonings adhere to the produce but also facilitates the caramelization process, giving the veggies that desirable golden-brown exterior and enhanced flavor. Olive oil is also a heart-healthy fat, making this dish even more beneficial. You can experiment with other high-smoke-point oils like avocado oil if you prefer, but olive oil’s distinct flavor is hard to beat.

Seasoning: The Flavor Boosters

A simple yet effective blend of pantry staples brings this dish to life. Kosher salt and black pepper are non-negotiable for enhancing natural flavors. Garlic powder and onion powder add aromatic depth without the need for fresh chopping, while a touch of sugar (which can be omitted for a paleo diet) helps coax out the natural sweetness of the potatoes and encourages extra caramelization. Don’t be shy with your seasoning – a generous hand ensures every bite is packed with flavor. For an extra kick, consider adding a pinch of paprika or a dash of dried rosemary.

Pecans: The Nutty Crunch That Ties It All Together

Don’t underestimate the power of a single ingredient to elevate a dish! Roughly chopped pecans are that ingredient here. As they roast alongside the vegetables, they become toasted and wonderfully crunchy, adding a contrasting texture and a rich, buttery, nutty flavor that beautifully complements the sweet potatoes and green beans. It’s an unexpected but incredibly welcome addition that transforms a simple side into a more complex and satisfying experience.

How to Achieve Perfectly Roasted Sweet Potatoes & Green Beans

The beauty of this recipe lies in its simplicity and the fact that both the sweet potatoes and green beans cook to perfection around the same time. This means no complicated separate cooking steps – just one sheet pan and delicious results! The key to this synchronized cooking is ensuring your sweet potatoes are cut into appropriately sized pieces. Half-inch chunks, or slightly larger, work wonderfully, allowing them to become tender and slightly caramelized in the same timeframe as the green beans become crisp-tender.

Step 1: Preheat Oven & Prepare Your Veggies

Begin by preheating your oven to a robust 425 degrees Fahrenheit (220°C). This high temperature is essential for achieving proper caramelization and crispiness on your vegetables, rather than just steaming them. While the oven heats, get your produce ready. Dice the sweet potatoes into uniform ½-inch (or slightly larger) cubes. For the green beans, ensure they are trimmed, and if they are particularly long, cut them in half to match the potato chunks in size for even cooking and easier eating.

Peeled and whole sweet potatoes on a cutting board, ready to be diced for roasting.
Neatly diced sweet potato chunks on a cutting board, perfectly sized for even roasting.

Step 2: Toss Veggies with Olive Oil & Seasonings

In a large mixing bowl, combine the diced sweet potatoes, cut green beans, roughly chopped pecans, olive oil, and all your seasonings (salt, pepper, garlic powder, onion powder, and sugar). Toss everything together thoroughly with a large spoon or your hands. The goal is to ensure every piece of vegetable and every pecan is evenly coated with the oil and spices. This meticulous coating is what guarantees maximum flavor and those coveted crispy, caramelized bits that make roasted vegetables so irresistible.

A large bowl containing diced sweet potatoes, cut green beans, raw pecans, and a blend of dry seasonings, before being tossed with oil.
A bowl of sweet potatoes, green beans, and pecans, glistening with olive oil and perfectly coated in seasonings.

Step 3: Roast for 20-25 Minutes

Once coated, pour the seasoned vegetables onto a large sheet pan. Critically, spread them out in a single layer, ensuring they are not overcrowded. If they overlap too much, the vegetables will steam instead of roast, resulting in a soggy texture rather than a deliciously crispy one. If your sheet pan isn’t large enough, divide the mixture between two pans. Roast in the preheated oven for 20 to 25 minutes, or until the sweet potatoes are tender and slightly caramelized, and the green beans are crisp-tender with a slight char. Give them a quick stir halfway through for even cooking. It’s seriously that easy to get a healthy and flavorful side dish on the table! Serve immediately while still warm to enjoy their best texture and flavor.

Sweet potatoes, green beans, and pecans spread out evenly on a parchment-lined sheet pan, ready for roasting.
Perfectly roasted green beans, sweet potatoes, and pecans, golden-brown and tender, fresh out of the oven on a sheet pan.

Recipe Tips & Delicious Variations for Roasted Vegetables

While this recipe is fantastic as written, there are plenty of ways to customize it to your taste or what you have on hand. These tips will help you achieve the best results and inspire new variations.

  • Don’t Overcrowd the Pan: This is arguably the most important tip for roasting vegetables. If your sheet pan is too crowded, the vegetables will steam in their own moisture instead of roasting and caramelizing. For best results, ensure there’s a single layer with a little space between each piece. If necessary, use two sheet pans and rotate them halfway through the cooking process. You can also line your sheet pan with parchment paper for easier cleanup and to prevent sticking.
  • Add a Touch of Sweetness and Tang: For an extra layer of flavor, toss in about half a cup of dried cranberries or golden raisins during the last 5 minutes of roasting, or simply stir them in after the veggies are cooked. Their tartness and chewiness pair beautifully with the sweet potatoes and pecans.
  • Experiment with Different Nuts: While pecans offer a wonderfully buttery flavor, you can easily substitute them with other nuts. Walnuts, chopped almonds, or even pumpkin seeds (pepitas) would work well, adding their own unique texture and nutritional benefits.
  • Use Raw Pecans: For the best texture, use raw, unsalted pecans. They will toast perfectly in the oven alongside the vegetables, becoming crunchy and releasing their full nutty aroma. If you only have toasted pecans, add them during the last 5-10 minutes of roasting to prevent over-browning.
  • Adjust Sweet Potato Quantity: The recipe calls for one large sweet potato (about 13 ounces). If your sweet potatoes are on the smaller side, feel free to use one and a half to get the desired volume. Avoid using two very large ones unless you’re using two sheet pans, as this will lead to overcrowding.
  • Boost the Flavor with Herbs and Spices: Don’t be afraid to get creative with your seasoning! A sprig of fresh rosemary or thyme added to the sheet pan will infuse the vegetables with an aromatic, earthy flavor. A pinch of smoked paprika can add a beautiful smoky depth, while a dash of red pepper flakes will introduce a subtle heat.
  • Finish with Freshness: A squeeze of fresh lemon juice or a sprinkle of chopped fresh parsley or chives right before serving can brighten up the flavors and add a pop of color.
A serving bowl filled with perfectly roasted green beans, sweet potatoes, and toasted pecans, ready to be enjoyed as a healthy side dish.

Serving Suggestions for Your Roasted Vegetable Medley

This versatile roasted vegetable dish is an excellent accompaniment to a wide variety of main courses. Its balanced flavors and textures make it a perfect complement to both simple and elaborate meals. Here are a few ideas:

  • With Roasted Proteins: Pair it with roasted chicken, turkey, pork tenderloin, or a perfectly seared steak for a complete and satisfying meal. The sweetness of the potatoes and the savory elements of the green beans and pecans will enhance any meat dish.
  • As a Vegetarian Main: Serve a larger portion as a light vegetarian meal, perhaps with a sprinkle of feta cheese (if not vegan) or a dollop of hummus and a warm piece of pita bread.
  • Alongside Fish or Seafood: The light and fresh flavors also make it a wonderful companion to baked salmon, grilled cod, or pan-seared shrimp.
  • Meal Prep Component: Prepare a larger batch at the beginning of the week and add it to your lunch bowls with quinoa, rice, or a lean protein for healthy, grab-and-go meals.
  • Holiday Feast Addition: This colorful and flavorful side is impressive enough for any holiday table, from Thanksgiving to Christmas dinner, offering a healthy alternative to heavier dishes.

Storage & Reheating for Best Results

If you happen to have any leftovers of these delightful roasted vegetables, proper storage is key to maintaining their quality.

Store leftover roasted sweet potatoes, green beans, and pecans in an airtight container in the refrigerator for up to 3 days. While they are certainly delicious freshly roasted, they can still be enjoyed later.

When reheating, I personally find that roasted green beans and sweet potatoes are best when gently warmed in the oven or an air fryer. This helps to crisp them up again, preventing them from becoming soggy. Place them on a baking sheet at 350°F (175°C) for 10-15 minutes, or until heated through and slightly re-crisped. Microwaving is an option for speed, but it may result in a softer texture.

The Nutritional Powerhouse on Your Plate

Beyond being incredibly delicious, this dish is a nutritional winner. Sweet potatoes are packed with beta-carotene (a precursor to Vitamin A), which supports vision and immune function, as well as plenty of fiber for digestive health. Green beans are a good source of Vitamin K, Vitamin C, and folate. Pecans contribute healthy fats, protein, and antioxidants, making this entire medley a powerhouse of essential vitamins, minerals, and dietary fiber. It’s truly a feel-good food that nourishes your body while satisfying your taste buds.

Other Fall Vegetable Recipes You Might Love

If you enjoyed this roasted vegetable recipe, you’re in for a treat! Explore more seasonal delights and comforting dishes with these other fantastic fall vegetable recipes:

  • Roasted Butternut Squash with Brown Sugar
  • Easy Sautéed Butternut Squash
  • Butternut Squash Lasagna – No Noodles & Gluten Free
  • Butternut Squash Soup Recipe
  • Easy Candied Brussels Sprouts
  • Honey Sriracha Brussels Sprouts
  • Baked Sweet Potatoes with Cinnamon Maple Butter & Pecans

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Perfectly roasted green beans, sweet potatoes, and pecans on a sheet pan, ready to serve.

Roasted Sweet Potatoes & Green Beans with Pecans

Carolyn

Roasted green beans and sweet potatoes create a healthy, flavorful, and filling side dish. Adding nutty pecans brings a delightful texture that ties the whole dish together, making it perfect alongside a protein for a quick and easy weeknight dinner.


5 from 4 votes
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Prep Time

10 minutes

Cook Time

25 minutes

Total Time

35 minutes

Course
Side Dish
Cuisine
American

Servings

4
servings
Calories

281
kcal

Equipment

  • Large Bowl
  • Sheet pan

Ingredients

  

  • 1
    large sweet potato
    (about 13 ounces, peeled and diced into ½-inch chunks)
  • 10
    oz.
    green beans
    (trimmed and cut in half)
  • 2
    tbsp
    olive oil
  • ½
    teaspoon
    kosher salt
  • ¼
    teaspoon
    garlic powder
  • ¼
    teaspoon
    onion powder
  • ½
    teaspoon
    sugar
    (optional, omit for paleo)
  • black pepper
    (to taste)
  • ¾
    cup
    roughly chopped pecans

Instructions

 

  • Preheat your oven to 425 degrees Fahrenheit (220°C).
  • Prepare the vegetables: Dice the sweet potatoes into small, uniform ½-inch pieces. Trim the ends of the green beans and cut them in half if they are long.
  • In a large bowl, combine the diced sweet potatoes, cut green beans, olive oil, chopped pecans, kosher salt, garlic powder, onion powder, sugar (if using), and black pepper. Toss everything together really well to ensure all ingredients are evenly coated.
  • Pour the seasoned vegetables onto a large sheet pan, spreading them out in a single layer without overcrowding. Roast in the preheated oven for 20-25 minutes, or until the sweet potatoes are tender and slightly caramelized, and the green beans are crisp-tender. Stir halfway through for even roasting. Serve warm and enjoy!

Nutrition


Calories:
281
kcal


Carbohydrates:
31
g


Protein:
5
g


Fat:
17
g


Saturated Fat:
2
g


Polyunsaturated Fat:
4
g


Monounsaturated Fat:
11
g


Sodium:
504
mg


Potassium:
620
mg


Fiber:
7
g


Sugar:
8
g


Vitamin A:
16626
IU


Vitamin C:
13
mg


Calcium:
76
mg


Iron:
2
mg

Keyword
roasted sweet potatoes and green beans, roasted vegetables, easy side dish, healthy, vegan




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