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Chili Mac and Cheese (One-Pot Weeknight Dinner)

By Eva | Head Recipe Developer & Food Editor Updated 2026-10-10 Serves 6 servings
Photo of Chili Mac and Cheese (One-Pot Weeknight Dinner)
This chili mac recipe combines a quick beef chili with elbow macaroni in one pot, finished with a generous stir of cheddar.

This chili mac recipe combines a quick beef chili with elbow macaroni in one pot, finished with a generous stir of cheddar. It is a chili mac and cheese dinner that comes together in about 40 minutes, and it is the perfect way to use up leftover chili or start fresh.

What Makes This Recipe Work

Cooking the pasta right in the chili saves a pot and lets the noodles absorb the seasoned tomato base, which thickens the sauce. Stirring the cheese in at the very end, off the heat, melts it smoothly instead of letting it turn stringy.

Ingredients for Chili Mac and Cheese (One

  • 1 tbsp (15 ml) olive oil
  • 1 lb (450 g) ground beef
  • 1 medium yellow onion, diced
  • 3 cloves garlic, minced
  • 2 tbsp chili powder
  • 1 tsp ground cumin
  • 1 (15 oz / 425 g) can diced tomatoes
  • 1 (15 oz / 425 g) can tomato sauce
  • 1 (15 oz / 425 g) can kidney beans, drained and rinsed
  • 2 cups (475 ml) low-sodium beef broth
  • 8 oz (225 g) elbow macaroni
  • 2 cups (200 g) shredded cheddar cheese
  • 1 tsp fine salt, plus more to taste

How to Make Chili Mac and Cheese (One

  1. Heat the olive oil in a large pot or Dutch oven over medium-high heat. Add the beef and cook, breaking it up, until browned, about 6 minutes. Drain excess fat.
  2. Add the onion and cook until softened, about 4 minutes. Stir in the garlic, chili powder, and cumin and cook for 30 seconds.
  3. Add the diced tomatoes, tomato sauce, beans, broth, and salt. Stir and bring to a boil.
  4. Stir in the macaroni, reduce to a simmer, and cook uncovered for 12 to 15 minutes, stirring often, until the pasta is al dente and the sauce has thickened.
  5. Remove the pot from the heat and stir in the cheddar in handfuls until melted and creamy.
  6. Taste and adjust the salt, then serve hot with extra cheese or scallions on top.

Tips for the Best Chili Mac and Cheese (One

  • Stir the pasta often so it does not stick to the bottom as the sauce thickens.
  • Add the cheese off the heat to keep the sauce smooth.
  • If you have leftover chili, skip the beef and spices and simmer the pasta in about 4 cups of chili thinned with broth.
  • A splash of milk loosens the sauce if it tightens up before serving.

Variations and Substitutions

  • Use leftover Slow Cooker Chili as the base for an even faster version.
  • Swap the beef for a meatless crumble or extra beans, as in Vegetarian Chili.
  • Add a diced green bell pepper with the onion for extra vegetables.
  • Try rotini or shells instead of elbow macaroni for a different bite.

How to Store and Reheat

  • Refrigerate leftovers in a sealed container for up to 4 days; the pasta absorbs sauce, so loosen with a splash of broth when reheating.
  • Freezing is not recommended because the pasta turns mushy; if you freeze it, thaw and reheat gently with added broth.

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Chili Mac and Cheese (One FAQ

Can I make chili mac with leftover chili?

Yes, and it is the fastest way. Warm about 4 cups of chili with 1 to 2 cups of broth, then simmer 8 oz of macaroni in it until tender and stir in cheese off the heat.

What is the difference between chili mac and goulash?

Chili mac is a chili base with pasta and cheese, seasoned with chili powder and cumin. American goulash is a paprika-and-tomato beef and macaroni dish, so the spices and overall flavor are different.

Why is my chili mac dry?

The pasta absorbs liquid as it sits. Add more broth while cooking or a splash of broth or milk when reheating to bring the sauce back to a creamy consistency.

Can I make chili mac in a slow cooker?

You can cook the chili base in the slow cooker, but boil the macaroni separately and stir it in at the end. Cooking raw pasta in a slow cooker makes it gummy.

Recipe Quick Facts

Servings6 servings
Prep Time15 min
Cook Time25 min
Total Time40 min
DifficultyEasy
Calories450

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