Chris' Chili

Ingredients

• 1 1/2 cups onion soup, prepared from a packet of dry onion soup mix
• 1/4 cup bacon grease (see notes)
• 1 1/2 pounds boneless beef round steak, cut into 1/3-inch cubes
• 1 1/2 pounds beef sirloin steak, cut into 1/3-inch cubes
• 1 teaspoon salt
• 1 tablespoon chili powder
• 2 teaspoons ground cumin
• 1/2 teaspoon ground black pepper
• 3 (15 ounce) cans kidney beans, undrained
• 1 (6 ounce) can tomato paste
• 1 (8 ounce) can tomato sauce
• 2 teaspoons unsweetened cocoa powder
• 1 cup cola soft drink (such as Coke(R))
• 1 tablespoon yellow sport pepper sauce (such as Texas Petes's(R))