Chicken Pot Pie Soup - Chew Nibble Nosh

Ingredients

• 1 sheet frozen puff pastry, thawed according to the directions on the package
• 1 egg
• 1 Tbsp. water
• salt, paprika, and grated parmesan cheese, for sprinkling
• 1 cup diced onion
• 1 cup diced celery
• 1 cup quartered button mushrooms
• 1/2 cup diced carrot
• 2 cloves garlic, minced
• 4 Tbsp. butter
• 1 1/2 cups diced red skinned potatoes
• 1/4 cup all-purpose flour
• 2 Tbsp. sherry
• 5 cups chicken broth
• 2 cups shredded cooked chicken (I used rotisserie chicken)
• 2 Tbsp. chopped fresh Thyme
• 1/2 tsp. kosher salt
• 1/4 tsp. pepper
• pinch of nutmeg
• 1 bay leaf
• 1/2 cup frozen peas
• 1/2 cup frozen corn
• 2 tsp. lemon juice