Ingredients 2 375gr box of elbow macaroni Sauce 2 Tbsp butter 1 1/2 cups milk 1/2 cup plain greek yogurt 1/4 cups flour 1 1/2 cups shredded cheddar cheese salt/black pepper 2 tsp onion powder **Whisk constantly on medium/high heat until hot & thickened, being sure not to scald the milk. Topping 1 1/2 …