Add sugar and shortening to a large mixing bowl or stand mixer and mix until well creamed together. Add eggs, milk and vanilla and mix until combined.

In a separate bowl stir together flour, baking powder and salt, then add to the creamed mixture. Stir in blueberries. Batter will be thick.

Pour batter into a greased 9x13 inch pan. Combine topping ingredients and sprinkle over the top of the batter In the pan.

Bake at 375 degrees for 35-45 minutes. Don't over bake or the cake will be dry. Cool before serving.

Serve with coffee or tea, or even with a scoop of ice cream.