Ultimate Baked Chicken Spinach Ricotta Delight

Ingredients

• 4 boneless, skinless chicken breasts (about 6 oz/170 g each)
• 1 teaspoon salt (5 g)
• 1/2 teaspoon black pepper (2 g)
• 1 tablespoon olive oil (15 ml)
• 1 cup ricotta cheese (240 g)
• 2 cups fresh spinach, chopped (about 60 g)
• 1/2 cup mozzarella cheese, shredded (60 g)
• 1/4 cup grated Parmesan cheese (25 g)
• 1 clove garlic, minced
• 1/2 teaspoon dried oregano (1 g)
• 1/2 teaspoon red pepper flakes (optional) (1 g)
• 1/2 cup marinara sauce (120 ml)
• 1/4 cup mozzarella cheese, shredded (30 g)