loretta lynn’s tomato-cheese pie

Loretta Lynn’s Tomato-Cheese Pie

Pastry
1 1/3 cups flour
1/2 teaspoon salt
1/2 cup Crisco
3 tablespoons water

Filling
1 cup grated Cheddar cheese
1 cup grated mozzarella cheese
1 cup ricotta cheese
1/4 pound mushrooms, chopped and saut