Mexican Shepherd's Pie

Ingredients 

1 ½ pounds ground beef

1 onion, finely chopped

garlic powder to taste

salt and pepper to taste

1 (14.5 ounce) can diced tomatoes

1 (1.25 ounce) package taco seasoning mix

¾ cup hot water

1 (11 ounce) can whole kernel corn, drained

1 (8.5 ounce) package corn muffin mix

1 cup shredded Cheddar cheese (Optional)

1 (2.25 ounce) can sliced black olives (Optional)

Directions