Chicken Florentine Puffs

Name: Chicken Florentine Puffs
Cuisine: European, Italian, Mediterranean
Ingredients: 2 sheets puff pastry, thawed and rolled out; 2 cups cooked chicken, cubed or shredded; 1 (10oz) pkg. frozen chopped spinach, thawed and liquid squeezed out; 1 roasted red pepper, diced; 4oz cream cheese, softened; 1c gruyere, grated; 2-3 Tbsp fresh basil (or 2 tsp dried); 1/4 tsp garlic powder; 1/4 tsp salt; 1/4 tsp pepper; 1 egg; 1 Tbsp water; parmesan cheese (optional, for garnish)