Preheat oven to 375°F.
In an oven proof pan or 12" cast iron pan, brown beef and drain. Stir in chili mix, salsa, kidney beans and 1/2 cup of water. Bring to a boil, then lower heat to a simmer and cook 10 minutes.
While chili simmers, mix 2 boxes of cornbread according to package instructions. Spoon mixture on top of chili and bake in oven for 30 minutes.