Cajun Shrimp Alfredo

Combine sausage onion celery red bell pepper Cajun seasoning and sage in a skillet; cook and stir until sausage is cooked through and celery and bell pepper are softened 5 to 10 minutes. Add shrimp and cook until cooked through and bright pink about 5 minutes. Remove skillet from heat.

Whisk milk Alfredo sauce mix and butter together in a saucepan; bring to a boil. Reduce heat to low and simmer sauce stirring occasionally until smooth and thickened about 2 minutes. Stir Parmesan cheese and garlic into sauce until cheese is melted. Stir shrimp mixture into sauce.