Microwave Potato, Tomato And Onion Casserole
A hearty microwave casserole combining tender potatoes, flavorful tomatoes, and aromatic onions, perfect for a quick, satisfying meal with savory herbs and cheese topping.
Ingredients
Instructions
- Cook onion, garlic, thyme, and 1 tablespoon of olive oil in a 2-quart shallow dish, covered, on High for 6 minutes, stirring halfway through cooking.
- Meanwhile, peel potatoes and slice them thinly.
- Stir the sliced potatoes, stewed tomatoes, pepper, and salt into the cooked onion mixture.
Tips & Substitutions
For a creamier texture, consider adding a splash of vegetable broth or cream to the casserole. You can substitute the stewed tomatoes with diced tomatoes or even fresh tomatoes if they are in season. If you're short on time, pre-cooked potatoes or frozen diced potatoes can also be used. For a little extra kick, add some red pepper flakes or a splash of hot sauce.
Serving Suggestions
This casserole pairs beautifully with a fresh green salad or steamed vegetables for a complete meal. You can also serve it alongside grilled chicken or fish for extra protein. For a vegetarian option, consider adding some cooked lentils or chickpeas to the mix. It’s also a great side dish for a hearty winter meal, perfect alongside recipes like Creamy Scalloped Potatoes With Cheese.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the microwave on medium power until heated through, about 2-3 minutes. Alternatively, you can reheat in the oven at 350°F (175°C) for about 15-20 minutes until warmed throughout. Cover with foil to prevent drying out.
Nutrition & Diet Analysis (per serving)
Each serving of Microwave Potato, Tomato And Onion Casserole contains roughly 822 calories, with 17g protein, 102g carbohydrates, and 39g fat. It is an excellent source of vitamin C (108% of the Daily Value), potassium (56% of the Daily Value), and dietary fiber (38% of the Daily Value), and a good source of calcium and vitamin A. Note that it is relatively high in sodium, at 1716mg per serving (75% 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 other vegetables in this casserole?
Absolutely! Feel free to add in vegetables like bell peppers, zucchini, or corn to enhance the flavor and nutrition of the dish. Just be mindful of cooking times, as some vegetables may require a bit longer to soften. Adding a variety of veggies can make this a more colorful and appealing dish.
How can I make this dish vegan?
To make this casserole vegan, simply omit the Parmesan cheese or use a plant-based cheese alternative. Additionally, ensure that your bread crumbs are also vegan-friendly. This dish is naturally vegetarian, so it’s a great option for those looking for meat-free meals.
Can I prepare this casserole ahead of time?
Yes, you can prepare the casserole ahead of time. Assemble it up to the baking step and cover it tightly with plastic wrap or foil. Store it in the refrigerator for up to 24 hours. When ready to bake, simply remove it from the fridge and allow it to come to room temperature for about 30 minutes before microwaving.
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).