How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Baked Tomato-Onion Casserole?

You need 5 ingredients. The key ingredients include: 4 large tomatoes, cut crosswise inot 1/2-inch slices (about 2 pounds), 2 medium red onion, cut crosswise into 1/4 -inch rounds (about 1 pound), 2 tablespoons extra-virgin olive oil, 1 -2 minced garlic clove, and more.

Is Baked Tomato-Onion Casserole suitable as general?

Yes, Baked Tomato-Onion Casserole falls under the General category and is a great choice for this type of meal.

How do I store leftover Baked Tomato-Onion Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Baked Tomato-Onion Casserole Recipe

Name: Baked Tomato-Onion Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 4 large tomatoes, cut crosswise inot 1/2-inch slices (about 2 pounds); 2 medium red onion, cut crosswise into 1/4 -inch rounds (about 1 pound); 2 tablespoons extra-virgin olive oil; 1 -2 minced garlic clove; coarse salt and pepper

Try this homemade Baked Tomato-Onion Casserole recipe the whole family will love. Made with tomatoes, red onion, extra-virgin olive oil and garlic. Easy…

This Baked Tomato-Onion Casserole relies on simple, everyday ingredients such as extra-virgin olive oil, minced garlic clove and coarse salt and pepper. It comes together quickly and makes 4 servings, at about 138 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Servings: persons

4 large tomatoes, cut crosswise inot 1/2-inch slices (about 2 pounds)
2 medium red onion, cut crosswise into 1/4 -inch rounds (about 1 pound)
2 tablespoons extra-virgin olive oil
1 -2 minced garlic clove
coarse salt and pepper

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
138 kcal
Category
General

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