These Roasted Summer Vegetables are easy, flavorful, and perfect for meal prep. One sheet pan, minimal effort, endless ways to use them.

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Reasons You’ll Love This Recipe:

One pan, no bowl – Everything gets tossed with oil and seasoning right on the sheet pan. Less cleanup, less thinking.
Big flavor, no heat – A little chili powder adds warmth and depth without any actual heat, so it works for the whole table.
Endlessly flexible – Use whatever’s in season, on sale, or taking over your garden. This is more of a method than a strict recipe.
Meal prep gold – Roast a pan on Sunday and you’ve got a ready-to-go vegetable for bowls, pastas, eggs, and sides all week.

Ingredient Notes & Substitutions:

For a full ingredient list with quantities, please check out the recipe card at the bottom of this post.

ingredients to make roasted summer vegetables

Zucchini and yellow squash – Cut into ¾-inch half or quarter moons so they roast up tender with browned edges instead of turning mushy. Thicker is better here.
Red bell pepper – Adds sweetness and color. Any bell pepper works, but red, orange, and yellow are the sweetest.
Fresh corn – One ear, kernels cut off. Fresh summer corn gets lightly caramelized in the oven and it’s worth it, but in a pinch, frozen corn works — just pat it dry first.
Red onion – Cut into 1-inch wedges so the petals hold their shape and get sweet and jammy at the edges.
Avocado oil – My go-to for high-heat roasting. Olive oil works too.
Chili powder – The quiet star of the seasoning blend. It’s not spicy — just adds a subtle smoky depth that makes these taste like more than “plain roasted vegetables.”

How to Make Roasted Summer Vegetables

For complete instructions, please check out the recipe card at the bottom of this post.

adding oil and seasoning to chopped summer vegetables to roast

seasoned summer vegetables before roasting

roasted summer vegetables on a sheet pan

Preheat your oven to 425°F.
Add all the chopped vegetables straight to a large sheet pan. Drizzle with avocado oil, sprinkle on the seasonings, and toss everything right on the pan until evenly coated.
Spread into a single layer and roast for 22–25 minutes, until the squash is browned at the edges and the vegetables are tender but still have some bite.

Tips and Variations

Don’t crowd the pan – Vegetables need a little breathing room to brown instead of steam. This recipe fits perfectly on one large sheet pan, but if you double it, use two.
Keep the cuts chunky – Smaller pieces cook faster and turn soft before they brown. Stick close to the sizes listed for the best texture.
Look for browned edges – The squash edges should be lightly golden and the peppers tender but firm. A little texture is the goal — nobody’s excited about mushy zucchini.
Change up the seasoning – Swap the chili powder for Italian seasoning, smoked paprika, or a Cajun blend depending on how you’re serving them.

The Best Summer Vegetables for Roasting

This recipe works with almost any summer vegetable, so use what you have. Good options include:

Cherry tomatoes – Add them whole; they get sweet and blistered.
Eggplant – Cut into 1-inch cubes and expect it to soak up the seasoning beautifully.
Green beans – Trim and add them whole for a little crisp-tender contrast.
Mushrooms – Halve or quarter them; they add a savory, meaty bite.
Broccoli or cauliflower – Cut into small florets so they finish at the same time as everything else.

A good rule of thumb: keep pieces roughly the same size so everything roasts evenly, and skip anything super watery (like cucumber) that won’t hold up in the oven.

How to Serve Roasted Summer Vegetables

This is where these vegetables earn their keep — one pan turns into a week of completely different meals:

With eggs – Fold them into scrambled eggs or an omelet, or serve alongside fried eggs or egg bites for an easy veggie-packed breakfast.
In grain bowls – Pile them over rice or quinoa with a prepped protein and your favorite sauce. Use my bone broth rice for a super easy protein boost!
Tossed with pasta – Stir into warm pasta with a little olive oil and parmesan, or add them to a pasta salad, like my Roasted Zucchini Pasta Salad.
As a simple side – They go with just about any protein — grilled chicken (or my go-to meal prep baked juicy chicken), salmon, pulled pork, you name it.
In wraps and quesadillas – Tuck them into a quesadilla or wrap with cheese and leftover protein for a five-minute lunch.

Meal Prep: Storing & Reheating

Refrigerator – Store in an airtight container for 3 days (3–4 days max, per USDA guidelines).
Freezer – Freeze in a freezer-safe container for up to 1 month. Thaw overnight in the fridge, then reheat in a hot skillet or oven to bring back some texture.
Reheating – A quick pass in a 400°F oven or air fryer revives them best. The microwave works too — they’ll just be softer.

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