Chicken Florentine Puffs

Name: Chicken Florentine Puffs
Prep time: 20 min
Cook time: 18 min
Total time: 38 min
Cuisine: American
Ingredients: 2 sheets puff pastry (thawed and rolled out); 2 cups cooked chicken (cubed or shredded); 1 (10 ounce) package frozen chopped spinach (- thawed and liquid squeezed out); 1 roasted red pepper (diced); 4 ounces cream cheese (softened); 1 cup gruyere (grated); 2-3 Tablespoons fresh basil (or 2 tsp dried); 1/4 teaspoon garlic powder; 1/4 teaspoon salt; 1/4 teaspoon pepper; 1 egg; 1 Tablespoon water; Parmesan cheese (optional, for garnish)