The Best Stuffed Chicken Breast Recipe – Easy & Flavorful!

✔️ 4 boneless, skinless chicken breasts
✔️ 1 cup fresh spinach, chopped
✔️ ½ cup cream cheese, softened
✔️ ½ cup shredded mozzarella cheese
✔️ ¼ cup grated Parmesan cheese
✔️ 1 garlic clove, minced
✔️ 1 tbsp olive oil
✔️ 1 tsp dried Italian seasoning
✔️ ½ tsp salt
✔️ ¼ tsp black pepper
✔️ 🌿 Fresh parsley (for garnish, optional)