Ultimate Bake Cheesy Chicken with Spicy Fajita Flavor

Ingredients

• 1 pound (450 g) boneless, skinless chicken breasts
• 1 tablespoon (15 ml) olive oil
• 1 teaspoon (5 g) chili powder
• 1 teaspoon (5 g) cumin
• 1 teaspoon (5 g) paprika
• ½ teaspoon (2.5 g) garlic powder
• ½ teaspoon (2.5 g) onion powder
• ½ teaspoon (2.5 g) salt
• ½ teaspoon (2.5 g) black pepper
• 1 cup (100 g) shredded cheddar cheese
• 1 cup (100 g) shredded mozzarella cheese
• 1 small bell pepper, diced
• ½ medium onion, diced
• ½ cup (120 ml) sour cream (optional, for serving)