1️⃣ Preheat oven to 350°F (175°C) and grease a 9×9-inch baking dish.
2️⃣ Mix the cornbread mix, milk, and egg. Pour the batter into the baking dish and bake for 15 minutes.
3️⃣ Cook and crumble ground beef in a skillet until browned. Drain the grease and stir in taco seasoning and water. Add Mexicorn and Rotel, letting the mixture simmer briefly.
4️⃣ Spread the beef mixture over the baked cornbread base.
5️⃣ In a bowl, mix sour cream, one cup of shredded cheese, and green onions. Spread this creamy layer over the beef.
6️⃣ Top with the remaining shredded cheese.
7️⃣ Bake for another 25 minutes until the cheese is melted and bubbly.
8️⃣ Let the dish cool for a few minutes before serving. Add optional toppings like lettuce, olives, tomatoes, or taco sauce for extra flavor.