This delicious chili mac and cheese casserole with ground beef, diced tomatoes, chili beans, pasta and cheese is the perfect comfort food for winter.

Chili Mac and Cheese Casserole

  • Author: The Cooking Jar
  • Prep Time: 10 mins
  • Cook Time: 30 mins
  • Total Time: 40 mins
  • Yield: 8-10 1x


  • 2 lb. ground beef
  • 1 medium yellow onion, diced
  • 1 teaspoon garlic, minced
  • 1 (28 oz.) can petite diced tomatoes, drained
  • 2 (16 oz.) cans kidney chili beans in mild sauce
  • 2 packets chili seasoning
  • 1 lb. elbows pasta
  • 2 cups cheddar cheese, shredded and divided


  1. Cook the pasta according to package directions until al dente. Drain and set aside
  2. While the pasta is cooking, start making the chili. Over medium high heat in a dutch oven, brown the ground beef until cooked, about 5 minutes. Break up any clumps
  3. Remove beef and set aside. Drain any excess fat
  4. In the same pot, saute onions and garlic in some oil until fragrant, about 2 minutes
  5. Add in cooked beef, tomatoes, chili beans and chili seasoning. If needed, season with salt and pepper to taste
  6. Reduce heat to medium and simmer for 5 minutes
  7. Add cooked pasta and 1 cup cheddar cheese to the chili and stir to mix well
  8. Transfer to a 9×13 casserole dish and top with remaining 1 cup cheese
  9. Bake at 400 degrees F for 10 minutes or until cheese has melted
  10. Dish and serve hot


Adapted from Dianna B (thanks!)