Easy Oven Ratatouille

Prep: 10 min Cook: 50 min Serves: 4 Cuisine: Mediterranean

A hearty, flavorful vegetable bake featuring tender zucchini and tomatoes, topped with cheese. Perfect for a comforting vegetarian meal or a flexible family dinner.

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Ingredients

  • 2 Tbsp. olive oil
  • 1 large onion, sliced
  • 1 medium zucchini, sliced
  • 1 (16 oz.) can whole tomatoes, chopped
  • salt and pepper to taste
  • basil to taste
  • chopped garlic (optional)
  • 4 slices cheese (any kind but Swiss)

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Put all ingredients except cheese in a medium Pyrex dish.
  3. Cover the dish with a lid or aluminum foil.
  4. Bake in the oven for 30 minutes.
  5. Remove from oven and place cheese slices on top.
  6. Return to oven, uncovered, and bake for an additional 20 minutes.

Tips & Substitutions

For a deeper flavor, sauté the onion and garlic in the olive oil before adding them to the dish. You can substitute zucchini with eggplant or bell peppers for variation. If you prefer a creamier texture, try adding a sprinkle of Parmesan cheese on top instead of or in addition to the cheese slices. This is a great dish for incorporating any leftover vegetables you have.

Serving Suggestions

Serve the ratatouille alongside crusty bread or over a bed of rice for a hearty meal. It pairs beautifully with a refreshing Mock Greek Salad for a complete vegetarian experience. For a more filling option, consider serving it with Chicken With Feta Sauce for a delightful contrast of flavors.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to three days. To reheat, place in the oven at 350°F (175°C) until warmed through, or microwave in short intervals, stirring in between to ensure even heating. This dish can also be served cold, making it a versatile option.

Nutrition & Diet Analysis (per serving)

Each serving of Easy Oven Ratatouille contains roughly 128 calories, with 4g protein, 12g carbohydrates, and 7g fat. It is a good source of calcium (11% of the Daily Value) and vitamin A (10% of the Daily Value). Note that it is relatively high in sodium, at 2051mg per serving (89% of the Daily Value).

128 kcal 6% DV
Protein Fat Carbs

Macronutrients

Protein 4.5g 9% DV
Total Fat 7.3g 9% DV
Carbs 11.8g 4% DV
Fiber 1.1g 4% DV
Sugar 2.8g 6% DV

Electrolytes

Sodium 2050.6mg 89% DV
Potassium 160.2mg 3% DV
Cholesterol 5.4mg 2% DV

Vitamins & Minerals

Vitamin A 89.2mcg 10% DV
Vitamin C 7.2mg 8% DV
Calcium 138.8mg 11% DV
Iron 1.3mg 7% DV
Diet fit Low-carb Under 400 cal
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this ratatouille ahead of time?

Yes, you can prepare the ratatouille a day in advance. Just follow the recipe, allow it to cool, then store it in the refrigerator. When ready to serve, reheat it as instructed. This can enhance the flavors as they meld overnight.

What other vegetables can I add?

Feel free to add other vegetables like bell peppers, mushrooms, or even spinach for a more colorful and nutritious dish. Just ensure to cut them into similar sizes for even cooking and adjust the baking time if necessary.

Is this recipe gluten-free?

Yes, this Easy Oven Ratatouille is naturally gluten-free, as it contains no wheat products. Always double-check the cheese and canned tomatoes for any gluten-containing additives if you are sensitive to gluten.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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