Upside Down Tamale Pie

Ingredients

• 1 (8 1/2 ounce) box Jiffy corn muffin mix
• 1 egg
• 1 cup sour cream
• 1/2 cup frozen sweet whole kernel corn
• 1 (7 ounce) can diced green chilies
• 1 onion, chopped
• 1 lb ground beef
• 1 teaspoon cumin
• 1 teaspoon chili powder
• 1/2 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• 1/2 teaspoon red pepper flakes
• 1/2 cup water
• 1 cup white cheese sauce
• 1 cup shredded cheddar cheese