Ingredient:

• 1 pound uncooked elbow macaroni
• 6 tablespoons butter
• 4 fully cooked andouille sausage links, sliced
• 1 cup chopped onion
• 1 cup chopped sweet red pepper
• 3 garlic cloves, minced
• 1/4 cup all-purpose flour
• 3 cups whole milk
• 1-1/2 cups shredded sharp cheddar cheese
• 1 cup shredded pepper jack cheese
• 1/2 cup shredded Parmesan cheese
• 2 teaspoons Cajun seasoning
• 1 teaspoon salt
• 1/2 teaspoon pepper