Creamy Chicken Pot Pie - Milk

Ingredients

• 2 tablespoons Ontario Unsalted Butter
• 1 Yellow Onion (medium, chopped)
• 2 stalks Celery (chopped)
• 3 Carrots (medium, chopped)
• 3 cloves Garlic (minced)
• 2 cups Cremini Mushrooms (sliced)
• ½ teaspoon Chili Flakes
• 1 tablespoon fresh Thyme
• 1 tablespoon fresh Rosemary
• Salt and Black Pepper to taste
• 450 grams Chicken Breast (cooked, chopped)
• 1 cup frozen Pea
• 1 cup Chicken Broth
• 2 cups local Ontario 2% milk
• 1 cup Ontario Heavy Cream (35% Whipping Cream)
• 1 cup shredded local Old Cheddar Cheese
• 1 sheet Puff Pastry
• 1 Egg