Shoo-Fly Pie
["1 (9-inch) unbaked pie shell", "1 1/2 c. unsifted all-purpose flour", "1/2 c. light brown sugar", "2 Tbsp. butter, softened", "1 1/4 c. molasses", "1 egg", "1 c. very hot water", "1 tsp. baking soda"]
["Combine flour and brown sugar.", "Cut butter into the mixture to make coarse crumbs.", "In another bowl, combine molasses, egg and 3/4 cup hot water.", "Stir soda into 1/4 cup hot water.", "Immediately fold into molasses mixture.", "Pour half of the molasses mixture into pie shell.", "Top with half of crumbs, all but 1/4 cup of remaining molasses mixture in a spiral over top of pie.", "Bake at 350\u00b0 for 45 to 50 minutes until nicely browned and center appears firm when pie plate is gently shaken.", "Cool to room temperature before cutting."]
["shell", "flour", "light brown sugar", "butter", "molasses", "egg", "very hot water", "baking soda"]