Steps
1. Preheat the oven to 375°F (190°C) and grease a baking dish.
2. In a skillet, cook the ground beef over medium heat until browned. Add the onion, bell pepper, and garlic, and cook until vegetables are softened.
3. Stir in the diced tomatoes, kidney beans, chili powder, cumin, salt, and pepper. Simmer for 10-15 minutes.
4. Pour the chili mixture into the prepared baking dish.
5. In a bowl, mix the cornmeal, flour, sugar, baking powder, and salt. Add the milk, egg, and melted butter, and stir until just combined.
6. Spread the cornbread batter over the chili mixture.
7. Bake for 20-25 minutes, or until the cornbread is golden brown and cooked through.
8. Serve hot and enjoy!