Microwave Mexican Casserole
A quick and flavorful microwave Mexican casserole featuring seasoned ground beef, creamy mushroom sauce, hearty chips, and melted cheese. Perfect for busy weeknights, it's customizable with toppings like lettuce, tomatoes, and jalapenos for a satisfying, cheesy meal with bold southwestern flavors.
Ingredients
- 1 lb. ground beef
- 1 medium onion, chopped ⓘ
- 1 clove garlic, minced ⓘ
- 1 (10 3/4 oz.) can cream of mushroom soup ⓘ
- 1 (10 oz.) can enchilada sauce ⓘ
- 3/4 cup evaporated milk ⓘ
- 3 cups tortilla chips ⓘ
- 1 (4 oz.) can chopped green chiles, drained ⓘ
- 1 1/2 cups shredded Cheddar cheese ⓘ
- jalapeno pepper slices (optional) ⓘ
- shredded lettuce ⓘ
- chopped tomatoes ⓘ
Instructions
- Combine ground beef, chopped onion, and minced garlic in a 2-quart casserole dish. Cover tightly with heavy-duty plastic wrap; fold back a small edge of wrap to allow steam to escape.
- Microwave at High for 6 to 7 minutes or until meat is browned, stirring once.
- Drain excess fat from the dish.
- Add undiluted cream of mushroom soup, enchilada sauce, and evaporated milk; stir well to combine.
Tips & Substitutions
For added flavor, consider using ground turkey or chicken instead of beef. You can also substitute the cream of mushroom soup with cream of chicken or a homemade white sauce for a different taste. If you want a vegetarian version, swap in black beans or lentils. Adding spices like cumin or chili powder can enhance the overall flavor profile, making it even more appealing. Serve with a dollop of sour cream for extra richness.
Serving Suggestions
This Mexican Casserole is delicious on its own, but you can elevate the meal by serving it with a side of shredded lettuce, chopped tomatoes, and jalapeno slices for freshness. For a complete dinner, pair it with a simple green salad or a side of Mexican rice. It also goes well with Nancy'S Nachos for a fun, shared experience.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the casserole in the microwave covered with a damp paper towel to retain moisture, heating in 1-minute intervals until warmed through. For a crispier texture, reheat in the oven at 350°F for about 15 minutes.
Nutrition & Diet Analysis (per serving)
Each serving of Microwave Mexican Casserole contains roughly 1263 calories, with 37g protein, 150g carbohydrates, and 56g fat. It is an excellent source of protein (73% of the Daily Value), calcium (60% of the Daily Value), and vitamin A (52% of the Daily Value), and a good source of potassium. Note that it is relatively high in sodium, at 1634mg per serving (71% 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 make this casserole ahead of time?
Yes, you can prepare the casserole ahead of time by assembling it without baking. Cover it tightly and refrigerate for up to 24 hours. When ready to bake, simply remove it from the fridge and microwave according to the instructions. This allows the flavors to meld beautifully and makes it convenient for busy nights.
What can I use instead of tortilla chips?
If you prefer a healthier option, you can use baked tortilla chips or even crushed whole-grain crackers as a substitute for tortilla chips. Alternatively, for a gluten-free version, use gluten-free tortilla chips or crushed corn chips. Both options will add a nice crunch to the casserole.
Can I freeze this casserole?
Yes, you can freeze the assembled casserole before baking. Wrap it tightly in plastic wrap and aluminum foil, and it will keep well in the freezer for up to 2 months. To bake, thaw it overnight in the refrigerator, then bake as directed. This is a great way to have a quick meal ready for busy days.
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).