Chicken & Biscuits Casserole

Ingredients

• 5 T ghee
• 1 small yellow onion, small dice
• 2 carrots, peeled and sliced 1/4-inch-thick
• 2 celery stalks, 1/2-inch pieces
• 5 garlic cloves, minced
• 1 1/3 C cassava flour
• 1 C chicken broth
• 2 1/3 C + 3 T full fat coconut milk
• 2 tsp Dijon mustard
• 1 3/4 tsp sea salt
• 1 T lemon juice
• 2 chicken breasts(about 1.5 lbs.), cooked and diced
• 1 1/2 tsp Italian seasoning
• 2 tsp baking powder
• 1 lemon, zested
• 3 T unsalted butter, chilled and cut into cubes (use ghee if dairy-free)