Easy, Meaty Mexican Casserole

Ingredients (10)

• + 1 ½ pounds ground pork add to pantry
• + 1 teaspoon ground black pepper add to pantry
• + 1 (15.5 ounce) can light red kidney beans (including liquid) add to pantry
• + 1 (15.5 ounce) can whole kernel corn, drained add to pantry
• ✓ ¾ cup water
• + 1 package taco seasoning mix (such as Old El Paso®) add to pantry
• + 1 (8.5 ounce) package dry corn muffin mix (such as Jiffy®) add to pantry
• ✓ ⅓ cup milk
• ✓ 1 egg
• + 3 cups shredded Colby cheese add to pantry