CRUMBS:

1 1/2 c. flour
1/2 c. white sugar
1/2 c. shortening
1/2 tsp. baking soda

FILLING:

Rind and juice of 1 lemon
1 egg
2 tbsp. flour
1/2 c. white sugar
1/2 c. molasses
3/4 c. boiling water

Make crumbs first, set aside. Mix filling. Put crumbs on top of filling. Do not let stand. Bake at 375 degrees for 1/2 hour.