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Gluten Free Mac and Cheese Casserole

Best Gluten Free Mac and Cheese

Gluten Free Mac and Cheese is creamy, delicious and the perfect comfort food for busy weekdays.
Course Main Course
Cuisine American
Keyword Gluten Free, Gluten Free Mac and Cheese, Mac and Cheese
Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Servings 8 servings
Calories 732kcal
Author Catalina Castravet


  • 1 pound gluten-free elbows macaroni or cavatappi pasta - cooked per box directions, aim for al dente
  • 1 tablespoon olive oil

Cheese Sauce:

  • 4 tablespoons butter unsalted
  • 1/4 cup gluten-free all-purpose flour
  • 5 cups milk
  • 1/4 teaspoon salt
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon paprika
  • 1 teaspoon mustard powder
  • 1/4 teaspoon red pepper flakes optional
  • 1/2 cup sour cream optional
  • 2 cups sharp cheddar cheese freshly grated
  • 1 cup white Colby cheese freshly grated - or use mozzarella
  • 1 cup parmesan cheese freshly grated

Buttery Cracker Topping (Optional):

  • 1 1/2 cups gluten-free cracker crumbs
  • 6 tablespoons unsalted butter melted


  • 1 cup white Colby cheese freshly grated - or use mozzarella
  • 1 cup cheddar cheese freshly grated
  • 1/2 cup parmesan cheese freshly grated


  • Preheat oven to 350 degrees F.
  • Lightly grease a 9x13 baking dish with olive oil or with non-stick cooking spray. Set aside.
  • Cook pasta per box directions, aim for al dente. Drain and run it under hot water. Add to a large bowl, mix with olive oil, and set aside.

Cheese Sauce:

  • Place a large saucepan or skillet over medium heat and once it's hot add the butter. Melt it.
  • Add the flour and whisk until fully combined.
  • Still whisking, gradually add the milk, do not rush, and whisk continuously until fully combined.
  • Add onion powder, garlic powder, paprika, mustard powder, red pepper flakes, and salt.
  • Over medium heat, bring the mixture to a boil and simmer for about 2 minutes.
  • If desired, stir in sour cream until fully combined. Taste and adjust for salt and pepper.
  • Reduce heat to low and add cheddar cheese, Colby, and Parmesan. Stir to combine, until the cheese is fully melted.
  • Add to the cooked pasta and stir to combine.
  • Transfer the mixture to the prepared casserole dish.

Buttery Cracker Topping (Optional):

  • In a medium bowl combine cracker crumbs with melted butter and stir using a fork until fully combined.


  • Sprinkle the remaining cheese (check the Toppings section) evenly over the top.
  • Sprinkle the Buttery Cracker Topping (if using) evenly over the surface.


  • Bake the casserole uncovered in the preheated oven for 25-30 minutes. Until the top is golden brown and bubbly.
  • Remove from oven and let it rest for 10-15 minutes before serving.



Calories: 732kcal | Carbohydrates: 63g | Protein: 39g | Fat: 46g | Saturated Fat: 24g | Cholesterol: 106mg | Sodium: 1159mg | Potassium: 471mg | Fiber: 2g | Sugar: 11g | Vitamin A: 1620IU | Vitamin C: 0.2mg | Calcium: 962mg | Iron: 2.1mg