Homemade Chicken Pot Pie - Recipes by Anne

Ingredients

• 1 tablespoon olive oil
• 1 large onion
• 500 grams chicken
• 400 grams button mushrooms
• 2 large carrots
• 2 celery stalks
• 2 tablespoons butter
• 40 grams flour
• 250 ml chicken stock
• 200 ml milk
• 1 1/2 teaspoon garlic powder
• 1 1/2 teaspoon dried thyme
• 1 teaspoon dijon mustard
• 50 grams parmesan cheese
• 1 puff pastry sheet
• 1 egg - whisked
• salt and pepper to taste
• sesame seeds to finish