- Cook the Beef: In a skillet over medium heat, cook ground beef and diced onion until beef is browned and onions are softened. Drain excess fat. Add garlic if using and cook 1 more minute.
- Prepare the Slow Cooker: Spray the slow cooker with cooking spray or lightly grease.
- Combine Ingredients: Add uncooked macaroni, beef broth, cream of mushroom soup, cooked beef and onion mixture, cheddar cheese, salt, pepper, and optional seasonings. Stir to combine.
- Cook: Cover and cook on LOW for 2–3 hours, stirring occasionally if possible, until macaroni is tender and the casserole is creamy. Check at 2 hours to avoid overcooking.
- Add Cheese Topping: About 10–15 minutes before serving, sprinkle extra cheddar cheese on top and cover until melted.
- Serve: Serve hot, garnished with fresh parsley if desired.
This casserole is rich, cheesy, and perfect as a main dish for dinner or a potluck favorite.
Serving and Storage
Serve warm directly from the slow cooker. Pair with a side salad or steamed vegetables for a complete meal.
Storing Leftovers
- Refrigeration: Store leftovers in an airtight container for up to 4 days.
- Freezing: Can be frozen for up to 2 months. Reheat in a covered dish in the oven or microwave until warmed through.
Tips
- Use freshly shredded cheddar for better melting and flavor.
- Do not overcook the pasta; check early to prevent mushiness.
- Optional: Add diced bell peppers, mushrooms, or peas for extra vegetables.
- Season generously—beef broth and cheese add salt, but additional herbs enhance flavor.
- Stir halfway through cooking if your slow cooker allows it to ensure even cooking.
Conclusion
The Slow Cooker Beefy Cheddar and Macaroni Casserole is an easy, comforting, and cheesy meal that requires minimal effort. Perfect for family dinners, busy nights, or a hearty potluck dish, it delivers creamy, savory goodness in every bite.
FAQ
Can I use whole wheat or gluten-free pasta?
Yes, just adjust the cooking time slightly as needed to ensure the pasta is tender.
Can I make this ahead of time?
Yes, prepare the ingredients in the slow cooker insert, cover, and refrigerate. Cook the next day, adding a little extra broth if needed.
Can I add vegetables?
Absolutely! Bell peppers, mushrooms, peas, or broccoli work well. Add firmer vegetables at the beginning, and softer vegetables toward the last hour of cooking.
Can I use pre-cooked pasta?
If using pre-cooked pasta, add it during the last 15–20 minutes of cooking to prevent it from becoming mushy.
Can I use a different type of cheese?
Yes, mozzarella, Monterey Jack, or a cheddar blend all work well for a creamy, cheesy casserole.