Tomato-Onion-Cheese Casserole
A comforting baked casserole featuring layers of sweet onions, juicy tomatoes, melted processed cheese, and crunchy bread crumbs. This dish offers a savory blend of flavors with basil and seasonings, perfect for family dinners or casual gatherings, providing a hearty vegetarian option that is easy to prepare.
Ingredients
Instructions
- Preheat oven to 350°F.
- Lightly grease a 1 1/2-quart casserole dish.
- Arrange a layer of sliced onions in the dish.
- Add a layer of peeled, sliced tomatoes over the onions.
- Sprinkle with salt, pepper, and dried basil leaves.
- Place halved slices of processed American cheese on top of the tomato layer.
- Repeat layering with remaining ingredients as desired.
- Combine bread crumbs with melted butter and sprinkle over the top of the casserole.
- Bake in the preheated oven for about 35 minutes or until bubbly and golden on top.
Tips & Substitutions
For added flavor, consider using fresh herbs like parsley or thyme instead of dried basil. If you're looking for a creamier texture, try adding a layer of ricotta or cottage cheese. For a healthier alternative, swap processed American cheese with a sharp cheddar or mozzarella. Ensure the tomatoes are ripe for maximum sweetness and flavor in the casserole.
Serving Suggestions
This Tomato-Onion-Cheese Casserole pairs beautifully with a fresh green salad or garlic bread for a complete meal. For an additional flavor boost, serve it alongside roasted spice pecans for a crunchy contrast. It's also an excellent side dish for grilled meats or as part of a vegetarian spread, complementing any American recipes you may be preparing.
Storage & Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover the casserole with foil and warm it in a preheated oven at 350°F for 15-20 minutes, or until heated through. You can also microwave individual portions for a quick meal, but the oven method helps maintain the casserole's texture.
Nutrition & Diet Analysis (per serving)
Each serving of Tomato-Onion-Cheese Casserole contains roughly 338 calories, with 6g protein, 18g carbohydrates, and 27g fat. It is an excellent source of vitamin C (21% of the Daily Value), and a good source of protein. Note that it is relatively high in sodium, at 1528mg per serving (66% of the Daily Value).
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 different types of cheese in this casserole?
Absolutely! You can substitute the processed American cheese with any cheese you prefer, such as cheddar, mozzarella, or even a combination of cheeses for a richer flavor. Just be sure to adjust the amount based on the cheese's meltability and saltiness.
Can I prepare this casserole in advance?
Yes, you can assemble the casserole a day ahead. Just cover it tightly with plastic wrap and refrigerate until ready to bake. You may need to add a few extra minutes to the baking time if it’s coming straight from the fridge.
What can I add to make this dish more filling?
To make this casserole more substantial, consider adding cooked ground meat, such as beef or turkey, or incorporating beans for a vegetarian protein boost. Layering in some cooked quinoa or rice can also enhance the dish's heartiness.
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).