Slow Cooker Chili Mac

This Slow Cooker Chili Mac is loaded with all the Tex-Mex flavors we all love. It’s beefy, cheesy, and every bite is an explosion of Southwestern flavors.

bowl full of chili mac garnished with green onions.

Chili mac is such a classic dish. It’s a great addition to potlucks or parties, and it makes a great lunch or dinner, especially in the fall. This is a recipe we love to break out every fall because it’s so delicious and SO easy.

wooden spoonful of chili mac being taken out of the slow cooker.

❤️ Why You’ll Love This Recipe

  • It only takes a few simple ingredients.
  • It’s an easy slow cooker recipe that takes almost no effort.
  • It’s a great dish for family dinners or parties.


bowls of cooked ground beef, peppers and onion mixture, drained kidney and black beans, green chilies, tomato pasta, rotel, garlic, elbow noodles, cheddar cheese, and green onions.

Everything you need for this recipe can be found in just a couple of aisles at your local grocery store. You’ll be in and out of the kitchen in no time.

Everything you need is here, but be sure to check the recipe card at the end of the post for exact quantities.

  • Ground beef
  • Frozen peppers and onions
  • Chili seasoning
  • Minced garlic
  • Canned diced green chiles
  • Canned tomatoes with chiles
  • Undrained canned red kidney beans
  • Rinsed and drained canned black beans
  • Tomato paste
  • Sugar
  • Water or beef broth
  • Macaroni noodles
  • Shredded cheddar cheese
  • Scallions

🔪 How to Make Slow Cooker Chili Mac

This is a slow cooker recipe, so you already know it’s super easy to make. It only takes a few minutes, a few simple steps, and a little waiting!

Step 1: Cook the Beef

Brown the ground beef in a skillet over medium-high heat and drain it.

ground beef, tomato paste, onions, bell peppers, beans, garlic, and peppers in a slow cooker.

Step 2: Combine the Ingredients

Add the ground beef, onions, bell peppers, garlic, green chiles, tomatoes, tomato paste, red kidney beans, black beans, sugar, and beef broth. Sprinkle in the chili seasoning and stir.

Step 3: Cook

Cover and cook on low for 4 to 6 hours.

raw noodles being added to chili mac in a slow cooker.

Step 4: Add the Macaroni

20 minutes before serving, add the macaroni noodles.

cooked chili mac with melted cheese on the top in slow cooker.

Step 5: Add the Cheese

5 minutes before serving, stir in half the cheese. Then, top with the remaining cheese, cover, and let the cheese melt. Enjoy!


Do you want to change up this recipe and make it your own? Here are some ways that you can do that!

  • Spicy – Try adding diced jalapenos for a kick of heat and flavor.
  • Ground Beef – You can use ground turkey, pork, or chorizo instead.
  • Macaroni – You can use any short noodle variety in place of macaroni.
  • Cheddar Cheese – Taco and Mexican blend cheeses work well in this recipe, too.

If you think this chili mac looks good, then we think you’ll enjoy our slow cooker chili.

🥄 Equipment

  • Measuring cup
  • Can opener
  • Slow cooker
spoonful of chili mac held in the air above a bowl full of mac.

🥫 Storage

Refrigerate this chili mac for up to 4 days in an air-tight container. For longer storage, freeze it for up to 3 months in an air-tight, freezer-safe container or heavy-duty freezer bag.

💭 Tips

  • There’s no need to cook the noodles before adding them to the slow cooker. The chili mix will cook them perfectly.
  • Don’t forget about your noodles after you add them to the slow cooker. Check the chili mac after 20 minutes to test the noodles for doneness.
  • Heat your chili mac in a saucepan over medium low heat to heat it through while avoiding cooking the noodles further.

⁉️ FAQ

Do you have questions about this recipe? Here are the answers to the most commonly asked questions.

What is chili mac?

Chili mac is an American dish made with cheese, chili, and macaroni noodles.

Why is my chili mac watery?

If you don’t drain the beans as directed, your chili mac will be watery.

Why did my noodles get too soft in my chili mac?

It’s important to wait until about 20 minutes before serving the chili mac to add the noodles. Otherwise, they’ll turn to mush.

🍽 More Recipes

Do you enjoy chili? Then try these delicious recipes:

📌 PIN IT!!

bowl full of chili mac garnished with green onions.

🧾Recipe Card

Want to make this recipe? Print the recipe card below, or pin this recipe, so you can find it later.

bowl full of chili mac garnished with green onions.

Slow Cooker Chili Mac

Slow cooker chili mac is an easy, homemade chili mac recipe loaded with beef, and classic Tex-Mex flavors. Head south of the border!
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Course: Main Course
Cuisine: American
Prep Time: 15 minutes
Cook Time: 4 hours
Total Time: 4 hours 15 minutes
Servings: 8 Servings
Calories: 477kcal


  • Skillet
  • slow cooker


  • 1 pound lean ground beef
  • 2 cups frozen peppers and onions
  • 1 envelope chili seasoning
  • 3 cloves garlic minced
  • 4 ounces diced green chiles
  • 10 ounces tomatoes with green chiles
  • 15 ounces red kidney beans undrained
  • 15 ounces black beans rinsed and drained
  • 6 ounces tomato paste
  • 1 tablespoon sugar
  • 2 cups water or beef broth
  • 8 ounce macaroni noodles
  • 2 cups cheddar cheese shredded, divided
  • Scallions for topping


  • In a medium skillet over medium high heat, brown and drain your ground beef.
  • To your slow cooker add the ground beef, onion and bell peppers, garlic, green chilies, tomatoes, tomato paste, red kidney beans, black beans, sugar and beef broth.
  • Sprinkle on your chili seasoning.
  • Stir to combine.
  • Cover and cook on low for 4-6 hours.
  • 20 minutes before serving add the elbow macaroni.
  • 5 minutes before serving stir in half of the cheese.
  • Top with the remaining cheese.
  • Cover and let the cheese melt.
  • Top with your favorite toppings, serve!


Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.


Serving: 1Serving | Calories: 477kcal | Carbohydrates: 56g | Protein: 33g | Fat: 14g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 63mg | Sodium: 458mg | Potassium: 1055mg | Fiber: 12g | Sugar: 7g | Vitamin A: 869IU | Vitamin C: 44mg | Calcium: 272mg | Iron: 6mg

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