01 - 
                Preheat oven to 375°F and grease and flour a 9-inch square baking pan. Set aside.
              
              
              
                02 - 
                In a large mixing bowl, mix together the sugar, shortening, and egg thoroughly.
              
              
              
                03 - 
                Stir in the milk.
              
              
              
                04 - 
                In a separate bowl, sift together the flour, baking powder, and salt, then stir into the wet ingredients.
              
              
              
                05 - 
                Carefully stir in the blueberries, then transfer to the prepared pan.
              
              
              
                06 - 
                Mix together the ingredients for the crumb mixture, then sprinkle over the top of the batter.
              
              
              
                07 - 
                Bake until a toothpick inserted into the center of the cake comes out clean, about 45-50 minutes.
              
              
              
                08 - 
                Serve warm, fresh from the oven.