With hand mixer, blend cream cheese, mayonnaise, sour cream, spinach, Parmesan cheese, mozzarella, bacon pieces, garlic powder, onion powder and salt and pepper, to taste.
Heat oven to 400 F.
Thaw and roll out puff pastry sheets. Cut each sheet into 12 squares. Place each puff pastry square into hole in muffin pan then spoon spinach mixture into each square and pinch corners together. Bake 15 minutes and serve warm.
Notes
Notes: Spinach mixture can be made in advance and kept in refrigerator up to 5 days before using. Recipe can be halved or doubled depending on needs.