
This recipe saved my life during one of those weeks when everyone had different activities every single night, and I needed something that would cook itself while we ran around town. I threw together some ground beef, pasta, chili beans, and cheese in my slow cooker, hoping it wouldn't turn into a mushy disaster. What came out was this incredible comfort food mashup that tasted like chili and mac and cheese had the most delicious baby ever. The slow cooker does all the work while you handle real life, and you come home to something that smells amazing and tastes even better.
My teenage son, who usually complains about anything that looks "mixed together," ate two huge bowls of this and asked if I could make it again next week. My husband came home from work, took one smell, and said the house smelled like "comfort food heaven." Even my mother-in-law, who's pretty particular about her cooking, asked for the recipe after trying it.
Ingredients
- Lean ground beef: I brown it first because raw ground beef in the slow cooker gets weird and greasy.
- Cooked macaroni: Al dente is key because it continues cooking in the slow cooker.
- Chili beans: The undrained kind because that liquid adds flavor and helps everything meld together.
- Diced tomatoes with chilies: Drained so it doesn't get too watery but adds great flavor.
- Sharp cheddar cheese: Goes on top and melts into this incredible cheese layer.

Step-by-Step Instructions
- Initial Preparation:
- Begin by browning your **ground beef** in a skillet until it's completely cooked through with no pink remaining. Drain off all the grease, as you don't want a greasy slow cooker meal. Let it cool slightly while you prep everything else. Next, cook your **macaroni** just until **al dente** - maybe a minute less than the package directions say. It's going to continue cooking in the slow cooker, so you don't want it starting out too soft or it'll turn to mush.
- The Art of Assembly:
- Mix the browned beef, cooked pasta, undrained **chili beans**, drained **diced tomatoes**, chili powder, and garlic salt in your slow cooker until everything is well combined. Make sure the pasta is distributed evenly so it all cooks at the same rate. This careful layering ensures consistent cooking and flavor throughout the dish.
- Perfect Cooking Technique:
- Sprinkle the shredded **cheddar cheese** evenly over the top of everything. Don't stir it in - just let it sit on top where it'll melt into this beautiful cheese layer that everyone fights over. Cover and cook on **low for 2 hours or high for 1 to 1.5 hours**. If your slow cooker cooks unevenly like mine does, turn the insert halfway through so everything heats properly. You'll know it's done when the cheese is melted and everything is heated through.
I learned the pasta lesson after ending up with mushy noodles because I cooked them completely before putting them in the slow cooker. Now I always undercook them slightly and they come out perfect. Also, I used to mix the cheese in, but leaving it on top creates this amazing melted layer that looks so much better.
Creative Variations
Try different types of beans like **black beans or kidney beans** for variety. You could add some **corn or diced bell peppers** for extra vegetables and color. For spice lovers, use **hot diced tomatoes or add some jalapeños**. I've also made this with **ground turkey** when that's what I had on hand, and it worked great.
Storage Solutions
This keeps beautifully in the fridge for about 4 days and actually tastes even better the next day after all the flavors meld together. It reheats perfectly in the microwave or back in the slow cooker on low. You can also freeze it for up to 3 months, though the pasta texture changes slightly after freezing.

This crock pot cheddar chili mac has become our go-to meal for crazy busy weeks because it requires almost no effort but delivers maximum comfort food satisfaction. It proves that slow cooker meals don't have to be complicated to be completely delicious and satisfying. Every time I make it, I'm reminded why one-pot meals that cook themselves are sometimes the most reliable recipes in your arsenal.
Frequently Asked Questions
- → Do I have to cook the pasta separately?
- Yes, cook the macaroni al dente before adding to the crock pot. This prevents it from getting mushy during the slow cooking process.
- → Can I use different types of beans?
- Absolutely! You can use kidney beans, black beans, or pinto beans instead of chili beans. Just adjust the seasoning to your taste.
- → How do I prevent the cheese from getting stringy?
- Add the cheese as the last step and don't overcook. The residual heat will melt it perfectly without making it stringy.
- → Can I make this spicier?
- Yes! Add more chili powder, diced jalapeños, or use hot chili beans instead of mild. You can also add a pinch of cayenne pepper.
- → How long will leftovers keep?
- Store leftovers in the refrigerator for up to 4 days. Reheat gently on the stove or in the microwave, adding a little water if it seems dry.