Preheat oven to 375. Grease a square cake pan of 8x8x2 inches.
You will need to folowing ingredients:
1 1/2 cup flour
3/4 cup sugar
2 1/2 tsp. baking power
3/4 tsp. salt
1/4 c. shortening
3/4 cup milk
1 egg
1/3 cup brown sugar
1/4 cup flour
1/2 tsp. cinnamon
3 Tbsp. firm butter

Sift together in large mixing bowl the top 4 ingredients. Add to the dry ingredients the shortening, milk and egg. Mix till well blended. Then beat vigorously 1/2 minute. Spread into your greased pan.

In another mixing bowl measure in the brown sugar, flour, cinnamon and firm butter. Mix with a hand pastry blender until crumbly. Sprinkle over batter.

Bake for 25 to 30 minutes