Pizza Stuffed Chicken

Name: Pizza Stuffed Chicken
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 chicken breast (boneless, skinless) - for the chicken; 16 slices pepperoni - for the chicken; 100g shredded mozzarella cheese - for the chicken; 20g baby spinach - for the chicken; 1/4 tsp italian herbs - for the chicken; 1/8 tsp salt - for the chicken; 1/8 tsp pepper - for the chicken; 150ml tomato passata - for the tomato sauce; 1/4 tsp italian herbs - for the tomato sauce; 1/2 tsp garlic powder - for the tomato sauce; 1/8 tsp salt - for the tomato sauce