Coffeecake, Blueberry Streusel

Ingredients

• 1-1/2 cups sugar
• 1/2 cup vegetable shortening
• 2 eggs
• 3 cups flour
• 4 heaping tsp. baking powder
• 1/2 tsp. salt
• 1 cup milk
• 1-1/2 to 2 cups blueberries
• 1 cup brown sugar
• 4 tsp. flour
• 4 tsp. cinnamon
• 4 tsp. margarine or butter