French Vegetable Casserole

Prep: 15 min Cook: 30 min Serves: 4 Cuisine: French

A vibrant French vegetable casserole featuring roasted peppers, zucchini, eggplant, and tomatoes, seasoned with herbs—perfect for a healthy, flavorful vegetarian main or side dish.

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Ingredients

  • 1 red pepper
  • 1 green pepper
  • 1 yellow onion
  • 2 zucchini
  • 1/2 eggplant
  • 4 tomatoes or 14 1/2 oz. crushed tomatoes
  • 2 Tbsp. olive oil
  • 1-2 cloves garlic
  • 1 sprig dried or fresh thyme
  • 1 tsp. basil leaves
  • 1 Tbsp. chopped parsley
  • salt

Instructions

  1. Dress peppers and cut into slices; peel onion and cut into wedges; peel and cut eggplant and zucchini into cubes or slices.
  2. Peel tomatoes and cut into wedges.
  3. In a skillet, sauté peppers and onion in olive oil until soft.
  4. Add eggplant and tomatoes to the skillet.
  5. Add minced garlic, thyme, and basil to the mixture.
  6. Sprinkle chopped parsley over the vegetables.
  7. Cover the skillet.
  8. Cook over medium-low heat for 30 minutes.
  9. Season with salt and pepper before serving.

Tips & Substitutions

For added depth, consider substituting the eggplant with mushrooms or squash if desired. If you prefer a bolder flavor, try adding a pinch of red pepper flakes or a splash of balsamic vinegar. Fresh herbs can elevate the dish; use fresh thyme instead of dried if available. This French Vegetable Casserole is versatile, so feel free to swap in seasonal vegetables.

Serving Suggestions

Serve this French Vegetable Casserole as a main dish accompanied by crusty bread or a green salad for a light meal. It pairs beautifully with a glass of white wine or a refreshing iced tea. For a heartier option, consider serving it alongside grilled chicken or fish. Explore other vegetarian recipes for more delicious pairings.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, gently warm the casserole in a skillet over medium heat or in the microwave, adding a splash of water if necessary to prevent drying out. This dish can also be frozen for up to 2 months; defrost in the fridge before reheating.

Nutrition & Diet Analysis (per serving)

Each serving of French Vegetable Casserole contains roughly 398 calories, with 11g protein, 39g carbohydrates, and 28g fat. It is an excellent source of vitamin C (303% of the Daily Value), iron (141% of the Daily Value), and dietary fiber (73% of the Daily Value). Note that it is relatively high in sodium, at 546mg per serving (24% of the Daily Value).

398 kcal 20% DV
Protein Fat Carbs

Macronutrients

Protein 11.2g 22% DV
Total Fat 28.1g 36% DV
Carbs 38.8g 14% DV
Fiber 20.4g 73% DV
Sugar 3.7g 7% DV

Electrolytes

Sodium 546.4mg 24% DV
Potassium 1288.2mg 27% DV

Vitamins & Minerals

Vitamin A 613.5mcg 68% DV
Vitamin C 272.6mg 100% DV
Calcium 677mg 52% DV
Iron 25.3mg 100% DV
Diet fit High-fiber Under 400 cal

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 use frozen vegetables instead of fresh ones?

Yes, frozen vegetables can be used in this recipe. However, be aware that they may release more water during cooking, so you may want to adjust the cooking time slightly. Thaw them first and pat dry to help minimize moisture.

How can I make this casserole spicier?

To add some heat, consider incorporating diced jalapeños or a dash of cayenne pepper into the mix. Additionally, you can sprinkle some crushed red pepper flakes over the top before serving for an extra kick.

Is it possible to make this dish vegan?

Absolutely! This recipe is naturally vegan as it contains no animal products. Just ensure that any additional ingredients you use, such as spices or condiments, are also vegan-friendly. Enjoy this hearty vegetable dish guilt-free!

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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