Crock Pot Cheddar Chili Mac brings beefy chili, tender macaroni, and melted cheddar together in one cozy bowl. The slow cooker gives the tomato sauce time to settle into the beef and beans. Cook the pasta separately, then stir it in near the end so it keeps its shape. This is a thick, scoopable dinner with just enough sauce to coat every bite.

Why I Love This Recipe
There is a lot to like about a dinner that does most of its cooking while you get on with your day. The chili base uses simple pantry staples, and the last few steps take only a little hands-on time.
- Good noodle texture: Cooking the macaroni separately keeps it from soaking up all the sauce during a long cook.
- Rich cheddar flavor: Freshly shredded cheese melts into the chili instead of sitting in a heavy layer on top.
- A filling bowl: Beef, beans, and pasta make a hearty meal without a long shopping list.
- Easy to adjust: Mild chili powder gives you a gentle starting point.

What You’ll Need
- Servings: 6 generous bowls
- Prep Time: 15 minutes
- Cook Time: 4 hours 20 minutes on LOW, including browning and the cheese finish; pasta cooks during the last part of the slow cooking time
- Total Time: 4 hours 35 minutes
- Slow Cooker Size: 6 quarts
Use a mild American-style chili powder blend, not pure ground chile. Choose low-sodium broth and no-salt-added tomatoes to keep the finished dish balanced.
- 1 lb lean ground beef, 90% lean
- 1 medium onion, finely diced, about 1 cup
- 3 garlic cloves, minced
- 2 tablespoons tomato paste
- 2 tablespoons mild chili powder blend
- 2 teaspoons ground cumin
- 1 teaspoon smoked paprika
- 1 teaspoon dried oregano
- 1/2 teaspoon fine salt
- 1/4 teaspoon ground pepper
- 1 can (28 oz) no-salt-added crushed tomatoes
- 1 can (15 oz) no-salt-added diced tomatoes, with their juices
- 1 can (15 oz) kidney beans, drained and rinsed
- 1 cup low-sodium beef broth
- 8 oz dry elbow macaroni
- 8 oz sharp cheddar, freshly shredded, about 2 cups
- 1/4 cup thinly sliced scallions, for serving

Tools You Need
- 6-quart slow cooker with a deep glossy black oval ceramic crock with a smooth stepped rim and small solid integrated grip tabs flush with the rim at its two short ends
- Wide stainless steel skillet
- Large stainless steel pasta pot and colander
- Wooden spoon
- Measuring cups and spoons
- Box grater
- Instant-read food thermometer
How to Make Crock Pot Cheddar Chili Mac
Start with a quick skillet step, then let the slow cooker handle the chili base.
Step 1: Brown the Beef and Onion
Place 1 lb lean ground beef and 1 medium onion, finely diced (about 1 cup) in a wide stainless steel skillet over medium-high heat.
Cook for 8–10 minutes, breaking up the beef and stirring, until the onion softens and the beef is browned. If the pan catches, lower the heat rather than adding extra ingredients.
Check that the beef reaches 160°F (71°C). Drain off excess fat, leaving the beef and onion in the skillet.

Step 2: Add the Garlic and Seasonings
Reduce the heat to medium. Stir 3 minced garlic cloves and 2 tablespoons tomato paste into the browned beef and onion for 1 minute.
Stir in 2 tablespoons mild chili powder blend, 2 teaspoons ground cumin, 1 teaspoon smoked paprika, 1 teaspoon dried oregano, 1/2 teaspoon fine salt, and 1/4 teaspoon ground pepper. Cook for 1 minute, stirring so the spices do not scorch.

Step 3: Slow Cook the Chili Base
Transfer all the seasoned beef mixture to a 6-quart slow cooker.
Add 1 can (28 oz) crushed tomatoes, 1 can (15 oz) diced tomatoes with their juices, 1 can (15 oz) kidney beans, drained and rinsed, and 1 cup low-sodium beef broth. Stir well.
Cover and cook on LOW for 4 hours, until the onion is very soft and the sauce is thick and well blended. Keep the lid closed during cooking. The pasta and cheese stay out for now.

Step 4: Cook and Drain the Macaroni
Near the end of the slow cooking time, bring a large pot of unsalted water to a boil.
Add 8 oz dry elbow macaroni and cook for 6–8 minutes, or until just al dente according to the package. The elbows should bend easily but still have a little bite in the center.
Drain well. Do not rinse, and do not let the pasta sit long enough to stick together.

Step 5: Stir in the Pasta and Cheddar
Stir all the cooked macaroni from 8 oz dry elbow macaroni into the chili base until evenly coated.
Turn off the slow cooker. Add 8 oz freshly shredded sharp cheddar a handful at a time, stirring until each addition melts before adding the next.
Let the dish stand uncovered for 5–8 minutes, until the sauce clings to the elbows. Serve promptly; leaving the pasta in the slow cooker for hours will make it soft.

Step 6: Garnish and Serve
Divide the chili mac into 6 bowls. Sprinkle 1/4 cup thinly sliced scallions evenly over the bowls, about 2 teaspoons per serving.
Serve with an optional crisp romaine and cucumber salad on the side for a fresh crunch.

Why This Recipe Works (Quick Science)
Browning the beef builds savory flavor before it goes into the slow cooker. Tomato paste adds body, while the long, gentle cook softens the onion and blends the spices into the tomatoes. The finished sauce is brick-red with a warm orange undertone, thick and glossy enough to cling to the pasta.
Cooking the elbows separately gives you control over their texture. A little starch stays on the drained pasta and helps the sauce cling. Adding cheddar after switching off the heat helps it melt smoothly instead of turning oily under a long, hard cook.

Common Mistakes to Avoid
- Adding dry noodles at the start: They can swell, split, and absorb too much sauce during the long cook.
- Using pure ground chile as chili powder: It can make the dish much hotter than intended. Use a mild seasoning blend.
- Adding cheddar too early: A long cook can make the cheese separate. Stir it in after the heat is off.
- Leaving the finished pasta on WARM all afternoon: Even gentle heat keeps softening the noodles.
- Skipping the bean rinse: Draining and rinsing keeps the sauce from tasting starchy or overly salty.
What to Serve With Crock Pot Cheddar Chili Mac
A crisp romaine and cucumber salad is a simple match for the rich beef, beans, and cheddar. Keep the salad alongside the bowl so its crunch stays fresh. The chili mac already contains protein and pasta, so a small vegetable side is plenty.
Substitutions and Variations
- Different beans: Use a drained and rinsed 15 oz can of pinto beans instead of the kidney beans.
- Ground turkey: Replace the beef with 1 lb ground turkey and cook it to 165°F (74°C) before slow cooking. A very lean turkey may need a lightly oiled skillet.
- More heat: Add a small pinch of cayenne with the spices, then adjust carefully.
- Milder cheese: Use the same weight of mild cheddar. Shred it from a block for smoother melting.
Make-Ahead and Storage
For the best make-ahead texture, cook the chili base without the pasta or cheese. Cool it promptly in shallow containers and refrigerate. On serving day, reheat the base thoroughly, cook fresh macaroni, and stir in the pasta and cheddar as directed.
Refrigerate leftovers in shallow covered containers within 2 hours. Use within 3–4 days. The pasta will absorb sauce as it sits.
Reheat individual portions with a small splash of water, stirring often, until they reach 165°F (74°C) throughout. Freeze the chili base without pasta or cheese for up to 3 months for best quality. Thaw overnight in the refrigerator before reheating.
Macros Information
Estimated per serving, based on 6 servings and including cheddar and scallions. Optional salad is not included. Brands and drained weights will change these estimates.
- Calories: 550
- Protein: 35 g
- Carbohydrates: 53 g
- Fat: 22 g
- Saturated Fat: 11 g
- Fiber: 8 g
- Sugar: 10 g
- Sodium: 650 mg
Frequently Asked Questions (FAQ)
Q: Can I put the beef in raw?
A: Brown it first for this recipe. That step adds flavor, lets you drain excess fat, and helps keep the beef in small crumbles.
Q: Can the macaroni cook in the slow cooker?
A: This version uses separately cooked pasta for a more reliable texture. Adding dry pasta would change both the liquid needs and the timing.
Q: Is this chili mac spicy?
A: It is gently seasoned when made with mild American-style chili powder. Blends vary, so check yours before using it.
Q: Why did my cheese turn grainy?
A: High heat can cause cheddar to separate. Switch off the slow cooker, use freshly shredded cheese, and add it gradually while stirring.
Q: Can I leave out the beans?
A: Yes, but the yield will be smaller and each serving will have less fiber. The sauce may also seem looser without them.
Q: Can I double the recipe?
A: Do not double it in the same 6-quart slow cooker. Use separate cookers or a larger model within its recommended fill level, and cook the pasta separately.
Q: How do I keep the leftovers from drying out?
A: Add a small splash of water as you reheat and stir gently. Heat only the portion you plan to eat so the pasta is not cooked over and over.
Q: Can I make it ahead for guests?
A: Make the chili base ahead, then reheat it and finish with freshly cooked pasta and cheddar close to serving time. Keep the scallions separate until the bowls are filled.
Final Thoughts
Crock Pot Cheddar Chili Mac is a simple way to turn pantry staples into a hearty dinner. Keep the pasta just firm, melt the cheddar gently, and add the scallions right before serving. Leave a comment with your favorite bean or cheddar swap. Happy cooking!

