Shoo Fly Pie

1 cup boiling water
1/2 cup dark molasses
1/2 cup light corn syrup
1 large egg, lightly beaten
1 1/2 teaspoons baking soda

1 1/2 cups flour
1/4 cup butter
3 tablespoons sugar
3 tablespoons brown sugar
1/4 teaspoon cinnamon
1/8 teaspoon cloves
1 unbaked 9-inch pie shell in a well-greased pie plate

Thoroughly combine boiling water, molasses, corn syrup, egg and baking soda. Let stand about 15 minutes.

Preheat oven to 350 degrees. In a medium bowl, combine next 6 ingredients and stir with fork until crumbly. Stir half the crumbs into molasses mixture. Spoon into pie shell. Cover with remaining crumbs. Bake 45 to 50 minutes. Serve warm or let cool to room temperature.