This recipe was written on a lined index card and found in a large collection, date unknown. I’ve typed it below along with a scanned copy.

Shoofly Pie

Start heating oven to 450°F.

1 unbaked 8″ pie shell (use frozen shell, package mix or your own)
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1/4 cup each, light molasses and hot water and 1/4 tsp. baking soda
Combine. Pour into pie shell.
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3/4 c. all purpose flour, 1/2 c. dark brown sugar, packed, 1/4 c. butter or margarine.

Combine flour and sugar until blended; cut in butter with pastry blender or 2 knives until the mixture is crumbly.

Sprinkle on top of molasses mixture.

Bake in 450° F. oven 10 min.

Reduce heat in oven to 350° F. and bake 20 min. longer.