Shoo-Fly Pie
["1 c. unsifted flour", "1/2 c. light brown sugar", "1/4 c. vegetable shortening", "1 tsp. baking soda", "1 c. boiling water", "3/4 c. light corn syrup", "1/3 c. dark molasses", "9-inch pastry shell"]
["Preheat oven to 375\u00b0.", "Prepare crumb topping by combining flour, brown sugar and shortening in bowl until mixture resembles coarse meal."]
["flour", "light brown sugar", "vegetable shortening", "baking soda", "boiling water", "light corn syrup", "dark molasses", "pastry shell"]