Rice-Stuffed Chicken Recipe from USA with Spinach, Feta, and Sun-Dried Tomatoes

Ingredients

• 6 boneless, skinless chicken breast halves (about 2.25 lb or 1.02 kg), pounded to a thickness of 0.25 inch
• 0.5 tsp ground black pepper
• 3 cups cooked rice (cooked without salt or fat )
• 1 package (10 oz or 283 g) chopped frozen spinach , thawed and well drained
• 0.5 cup feta cheese
• 0.5 cup salt -free sun-dried tomatoes , softened and chopped
• 2 tbsp chopped fresh basil
• 0.5 tsp salt
• 6 to 10 wooden toothpicks
• vegetable cooking spray
• 2 cups prepared low- salt , low- fat spaghetti sauce , warmed