Low Carb Chicken Pot Pie

Name: Low Carb Chicken Pot Pie
Cuisine: European, American, Mediterranean
Ingredients: 3 tbsp butter; 1/2 cup onion, diced (about 2.5 oz); 1/2 cup celery, sliced (2 medium ribs); 1/2 cup carrots, slices (about 2.5 oz); 3 cloves garlic, minced; salt and pepper, to taste; 12 oz chicken, cubed small; 3/4 cup heavy cream; 1/2 cup chicken stock (get it here); 2 tbsp Dijon mustard; 3/4 cup sharp white cheddar cheese, shredded; 1/2 cup frozen peas; 1 1/2 cups mozzarella cheese, shredded; 3 tbsp cream cheese; 3/4 cup almond flour (Get it here); 1 large egg; 1 tsp garlic powder; 1 tsp onion powder; 1 tsp Italian seasoning (Get it here); 1 tsp sea salt; 1/2 tsp black pepper