Preheat thw oven to 425°. Spray an 8x8 inch baking dish with cookong spray, and set it aside.

Bring a large pot of salted water to boil. Add the macaroni and cook accoring to the package directions, 7 to 9 minutes; drain

While the pasta is cooking, bring the Onion- garlic Puree, mustard, and cayenne to a simmer in a small saucepan over medium heat, stirring often. Whisk in the cheddar until it has melted. Remove the pan fro. The heat and whisk in the yogurt