SERVES: 4-6 (1 -8x8 inch cake) | PREP TIME:
Preheat oven to 375 degrees F (190 degrees C). Grease one 8×8 inch pan. Cream together 3/4 cup sugar, shortening, and egg.
In a separate bowl mix together 2 cups flour, baking powder, and salt. Stir into sugar mixture, alternating with milk. Stir in blueberries. Pour into greased 8×8 inch pan.
To make topping: Combine 1/2 cup sugar, 1/3 cup flour, cinnamon, and butter. Sprinkle over cake batter.
Bake at 375 degree F (190 degrees C) for 25-30 minutes.