Tex-Mex Four-Cheese Potato Casserole

1 (2-pound) package refrigerated mashed potatoes
1 tablespoon unsalted butter
1/2 teaspoon chili powder
3/4 cup shredded 4-cheese Mexican-blend cheese
1 teaspoon bottled minced garlic

Place the top oven rack about 5 inches way from the broiler element, and turn the broiler on high.

Spoon the mashed potatoes into a microwave-safe, 2-quart casserole dish. Dot the potatoes with the butter. Sprinkle the chili powder over the potatoes. Sprinkle 1/2 cup of the cheese over the potatoes. Cover the casserole with plastic wrap, and cut 2 small holes in the wrap for ventilation.

Microwave on HIGH for 4 minutes. Remove the plastic wrap, and stir in the garlic. Re-cover the dish, and microwave for 2 more minutes, or until completely heated through.

Remove the dish from the microwave, discard the plastic wrap, and sprinkle on the remaining 1/4 cup of cheese. Place the casserole under the hot broiler for about 2 minutes, or until cheese melts and begins to turn golden. Serve immediately.

Makes 6 servings.