deep dish chicken pot pie

Ingredients

• CRUST
• 3 cups flour
• 1 teaspoon salt
• 1 tablespoon sugar
• 3/4 cup butter, cubed and cold
• 1 cup water, cold
• FILLING
• 2 tablespoons olive oil
• 1 small onion, small dice
• 1 - celery rib, small dice
• 1 large carrot, small dice
• 1 medium potato, 1/2" cubes
• 6 ounces mushrooms, sliced
• - sea salt and fresh ground black pepper
• 1/2 cup butter
• 1-2 clove garlic, minced
• 1 teaspoon thyme, dried
• 1 teaspoon rosemary, dried
• 1/2 teaspoon fresh ground black pepper
• 1/2 cup flour
• 2 1/2 cups chicken broth
• 1 tablespoon chicken soup base
• 1/2 cup peas, frozen
• 1/2 cup corn kernels, frozen
• 2ish cups cooked chicken, chopped or torn
• 1/2 cup milk, cream or sour cream