Chili-Corn Stick Pie

Ingredients

• 1 lb ground beef
• 1 teaspoon vegetable oil
• 1 large onion, chopped
• 1 (15 ounce) can black beans, rinsed and drained
• 1 (14 ounce) canof chili style tomatoes (Rotel or mexican style tomatoes may be substiuted, just add some chili powder to them)
• 1 (8 ounce) can no-salt-added tomato sauce
• 1 (11 1/2 ounce) packagepillsbury refrigerated cornbread twists dough (Walmart has them)
• cheddar cheese (optional)
• sour cream (optional)