Big-batch baked chicken in chili sauce

Ingredients

• 12 bone-in chicken pieces , preferably skinned, such as breasts or thighs
• 2 tbsp chili powder
• 1/4 tsp salt
• 2 large onions
• 2 bell peppers , preferably green or yellow
• 2 540-mL cans red kidney beans , drained and rinsed (optional)
• 2 hot banana peppers or jalapenos
• 796-mL can diced tomatoes , including juice
• 398-mL can tomato sauce
• 1 cup smoke-flavoured barbecue sauce
• 3 garlic cloves , minced
• 1 tbsp ground cumin
• 1 tbsp coriander
• 1 tsp dried oregano leaves
• 1 tsp cinnamon