Mexican Shepherd's Pie Recipe

Ingredients

• 1.5 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
• 0.75 cup hot water
• 1 (11 ounce) can whole kernel corn, drained
• 1 (8.5 ounce) package corn muffin mix
• 1 cup shredded Cheddar cheese
• 1 (2.25 ounce) can sliced black olives