Chicken Divan Puffs Recipe

Ingredients

• 1 (17.3-ounce) package frozen puff pastry, thawed
• 2 cups frozen cooked chicken breast strips, coarsely chopped
• 1 cup frozen chopped broccoli
• 1 1/2 cups shredded Cheddar cheese, divided
• 1/2 cup mayonnaise
• 2 teaspoons yellow mustard
• 1 tablespoon milk
• 1/8 teaspoon black pepper