Taco Bake Casserole

Taco Bake Casserole 1 pkg. (14 oz.) Deluxe Macaroni & Cheese Dinner 1 lb. ground beef 1 pkg. (1 oz.) Taco Seasoning Mix 3/4 cup Sour Cream 1-1/2 cups Shredded Cheddar Cheese, divided 3/4 cup Thick & Chunky Salsa Heat oven to 400°F. Prepare Dinner as directed on package. While Macaroni is cooking, cook meat with taco seasoning as directed on package. Stir sour cream into prepared Dinner. Spoon half the Dinner mixture into 8-inch square baking dish sprayed with cooking spray; top with layers of meat mixture, 1 cup shredded cheese and remaining Dinner mixture. Cover. Bake 15 min.; top with salsa and remaining shredded cheese. Bake, uncovered, 5 min. or until cheese is melted.