Not-Your-Average Mac and Cheese Ingredients 8 oz mini penne pasta 1 1/2 cups shredded sharp cheddar cheese 1 tbsp chopped green onion 1/2 tsp ground mustard 1/2 tsp garlic powder 1/4 tsp salt 1/4 tsp ground black pepper 1 cup light sour cream 1 cup cottage cheese 1/2 cup milk - 1/4 cup butter,