One-Pan Oven-Roasted Ratatouille

Featured in: Global Tastes

This colorful French-inspired dish brings together zucchini, eggplant, and bell pepper, layered in a baking pan and oven-roasted with tomato sauce and aromatic herbs. Tender vegetables infused with savory flavors make it an excellent choice for those seeking vegan and gluten-free options. Minimal prep time, simple assembly, and allergen-friendly ingredients ensure ease in the kitchen. Enjoy it warm, chilled, or as a base for pasta or rice dishes, capturing the fresh essence of summer vegetables.

Updated on Fri, 31 Oct 2025 11:36:00 GMT
Vibrant One-Pan Ratatouille filled with fresh summer vegetables and fragrant herbs.  Save
Vibrant One-Pan Ratatouille filled with fresh summer vegetables and fragrant herbs. | cravebop.com

A colorful, oven-roasted version of the French classic — bursting with summer vegetables.

My family always requests ratatouille when summer veggies are at their peak — this oven version keeps things simple and full of flavor.

Ingredients

  • Zucchini: 1, sliced
  • Eggplant: 1, sliced
  • Bell pepper: 1, sliced
  • Tomato sauce: 1 cup
  • Dried herbs: 1 tsp (thyme, oregano, or Herbes de Provence)
  • Salt and pepper: To taste

Instructions

Preheat:
Preheat oven to 375°F (190°C).
Arrange:
Arrange sliced vegetables in a baking dish in overlapping rows.
Sauce:
Pour tomato sauce over the vegetables.
Season:
Sprinkle herbs, salt, and pepper.
Bake:
Cover with foil and bake for 30 minutes until tender.
Serve:
Serve warm or at room temperature.
Aromatic One-Pan Ratatouille, oven-baked to perfection with layers of colorful veggies.  Save
Aromatic One-Pan Ratatouille, oven-baked to perfection with layers of colorful veggies. | cravebop.com

My kids get excited to help with layering the veggies — it's a fun weekend activity for everyone.

Required Tools

Baking dish, knife, foil

Allergen Information

Allergen-free; naturally gluten-free and vegan

Nutritional Information

Calories: 150, Total Fat: 5 g, Carbohydrates: 20 g, Protein: 3 g (per serving)

Delicious One-Pan Ratatouille served warm, drizzled with savory tomato sauce and herbs. Save
Delicious One-Pan Ratatouille served warm, drizzled with savory tomato sauce and herbs. | cravebop.com

This one-pan ratatouille brings French summer flavors to your table — simple and extra satisfying every time.

Recipe Guide

What vegetables are commonly used in this dish?

Zucchini, eggplant, and bell pepper are classic choices. Other options include squash or tomatoes.

How can I enhance the flavor?

Add sliced garlic or chopped onions before baking to deepen the taste profile.

Is the dish suitable for gluten-free and vegan diets?

Yes, it is naturally gluten-free and vegan, using only plant-based ingredients.

What is the best serving suggestion?

Serve warm, at room temperature, as a main or side. It pairs well with pasta or rice.

Which herbs work best for seasoning?

Thyme, oregano, or Herbes de Provence complement the vegetables beautifully.

Can leftovers be stored?

Store chilled in an airtight container for up to three days. Reheat gently before serving.

One-Pan Oven-Roasted Ratatouille

Vibrant roasted vegetables with tomato sauce, subtly seasoned and perfect for summer dining.

Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created by Lindsey Carter


Skill level Medium

Heritage French

Output 4 Portions

Nutrition labels Plant-based, No dairy, No gluten

What you'll need

Vegetables

01 1 medium zucchini, sliced
02 1 medium eggplant, sliced
03 1 large bell pepper, sliced

Sauce & Seasoning

01 1 cup tomato sauce
02 1 teaspoon dried herbs (thyme, oregano, or Herbes de Provence)
03 Salt and pepper, to taste

Method

Phase 01

Preheat Oven: Set the oven temperature to 375°F (190°C).

Phase 02

Prepare Vegetables: Slice zucchini, eggplant, and bell pepper evenly.

Phase 03

Arrange Vegetables: Layer sliced zucchini, eggplant, and bell pepper in overlapping rows within a baking dish.

Phase 04

Add Sauce and Seasoning: Pour tomato sauce evenly over the arranged vegetables and sprinkle with dried herbs, salt, and pepper.

Phase 05

Bake Covered: Cover the dish with foil and bake for 30 minutes, or until the vegetables are tender.

Phase 06

Serve: Enjoy warm directly from the oven or allow to cool to room temperature before serving.

Tools needed

  • Baking dish
  • Knife
  • Foil

Allergy alerts

Always review ingredients for potential allergens and seek professional medical advice if uncertain.
  • Naturally allergen-free; suitable for gluten-free and vegan diets.

Nutrition breakdown (per portion)

Values shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 150
  • Fats: 5 g
  • Carbohydrates: 20 g
  • Proteins: 3 g