Ingredients:

1/4 cup shortening
3/4 cup sugar
1 egg
2 cups flour
2 teaspoons baking powder
1/2 teaspoon salt
1/2 cup milk
2 cups blueberries

topping:
1/2 cup sugar
1/3 cup flour
1/4 cup butter
1/2 teaspoon cinnamon

Instructions:

Grease a 9-inch square pan and preheat oven to 375 degrees . Mix together shortening, sugar, egg, flour, baking powder, and salt. Stir in milk and blueberries. Place in prepared pan. Blend topping ingredients until it forms crumbles and sprinkle on top of blueberry cake mixture and bake for 30 to 35 minutes.