Garlic Herb Roasted Summer Vegetables

Colorful roasted vegetables, including summer vegetables like zucchini, red onion, tomatoes, bell peppers, and mushrooms, are garnished with fresh herbs and a touch of garlic-herb seasoning in a white bowl with a spoon.

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Garlic Herb Roasted Summer Vegetables

A vibrant mix of zucchini, squash, peppers, onions, mushrooms, and tomatoes roasted until caramelized, then tossed with sweet roasted garlic mashed into a simple lemon-herb dressing. An easy summer side dish that's packed with flavor.

Course Side Dish

Cuisine American, Mediterranean

Diet Gluten Free, Vegan, Vegetarian

Keyword Garlic Herb Roasted Summer Vegetables

Prep Time 15

Cook Time 35

Total Time 50

Servings

Calories 127

Author Erren Hart

Ingredients

2 medium zucchini cut into thick half-moons
2 yellow squash cut into thick half-moons
1 red bell pepper cut into chunks
1 yellow bell pepper cut into chunks
1 red onion cut into wedges
8 oz cremini mushrooms halved
1 pint cherry tomatoes
1 whole head garlic
3 tablespoons olive oil divided
1 teaspoon kosher salt
½ teaspoon black pepper
1 teaspoon dried oregano
1 tablespoon fresh parsley chopped
1 teaspoon fresh thyme leaves (or ½ teaspoon dried)
1 tablespoon fresh lemon juice

US Customary - Metric

Instructions

Preheat the oven to 425°F (220°C). Add the zucchini, yellow squash, bell peppers, red onion, mushrooms, and cherry tomatoes to a large bowl. Drizzle with 2 tablespoons of olive oil and season with the salt, pepper, and oregano. Toss until evenly coated.
Remove any loose papery layers from the outside of the garlic head, leaving the cloves intact. Using a sharp knife, slice about ½ inch (1cm) off the top of the garlic head to expose the tops of the cloves. Place the garlic on a small piece of foil, drizzle with the remaining tablespoon of olive oil, and wrap loosely.
Spread the vegetables onto a large sheet pan in an even layer. Place the wrapped garlic on the pan alongside the vegetables. Roast for 30 to 35 minutes, stirring the vegetables halfway through cooking, until tender and lightly caramelized. The garlic should be soft and golden.
Carefully unwrap the garlic and allow it to cool slightly. Squeeze the softened garlic cloves from their skins into a small bowl. Mash with a fork until smooth. Stir in the lemon juice, parsley, and thyme.
Transfer the roasted vegetables to a serving bowl. Add the mashed garlic mixture and toss gently until everything is evenly coated. Taste and adjust seasoning if needed. Serve warm.

Notes

Erren's Top Tips

Give the vegetables plenty of room on the sheet pan so they roast instead of steam.
Cut firmer vegetables slightly smaller than softer ones so everything finishes cooking at the same time.
Roast the garlic alongside the vegetables so everything finishes together.
Wait until after roasting to add the fresh herbs and lemon juice for the brightest flavor.
If your vegetables seem crowded, divide them between two sheet pans for even better caramelization.

Variations & Add-Ins

Add cubes of eggplant for an even heartier Mediterranean-style side.
Toss with cooked orzo or couscous to turn it into a light vegetarian meal.
Sprinkle with crumbled feta, goat cheese, or freshly grated Parmesan before serving.
Finish with toasted pine nuts or sliced almonds for added crunch.
Drizzle with balsamic glaze for a touch of sweetness.
Stir in fresh basil just before serving.

Storage & Freezing

Storage: Store leftovers in an airtight container in the refrigerator for up to 4 days.
Reheating: Reheat in a 400°F oven for about 10 minutes or warm in a skillet until heated through. Microwaving works but softens the vegetables.
Freezing: Freeze for up to 2 months. The vegetables will be softer after thawing but are still excellent in pasta, grain bowls, soups, or frittatas.

Nutrition