Chili and cornbread

Name: Chili and cornbread
Prep time: 1 h
Cook time: 1 h
Total time: 2 h
Cuisine: American, TexMex
Ingredients: 1.5 lbs ground beef; 2 8oz cans tomato sauce; 1 10 oz diced tomatoes; 14 oz kidney beans; 14 oz Black beans; 1 large yellow onion diced; 1 tbsp minced garlic; 2 tsp cumin; 1 tsp oregano; 2 tbsp olive oil; Salt and pepper; 1 cup of cheddar cheese optional