Chicken Pot Pie Recipe - Petite Panini

Ingredients

• 2 tbsp unsalted butter
• 1 small yellow onion
• 2 cloves garlic
• 2 medium carrots
• 2 celery stalks
• 1/3 cup all-purpose flour
• 2 cups chicken broth
• 1 cup whole milk
• 2 cups cooked chicken breast
• 1 cup frozen peas
• 1 tsp salt
• 0.5 tsp black pepper
• 0.5 tsp dried thyme
• 0.25 tsp dried rosemary
• 0.25 tsp paprika
• 2 sheets puff pastry
• 1 large egg