Make a layer of hot coals on the ground.
Place the dutch oven over the coals and allow the dutch oven to get hot.
Cook the ground beef until it starts to brown, breaking up the meat with a spatula.
Add the onions, garlic, and bell pepper and continue to cook until the vegetables are softened
Add the chili powder, chipotle powder, cumin, diced tomatoes, and tomato paste.
Add the can of beer and beans and cook for another 10-15 minutes.
Season with salt and pepper to taste.
Make the cornbread mix in a bowl and pour over the top of the chili.
Place the lid on top of the dutch oven and place about 20 hot coals over the top of the lid.
Cook for about 10 minutes and check to see if the cornbread is done cooking by lifting the lid and poking a skewer through the cornbread. If it comes out clean the chili is done.