To prepare topping, combine sugar, ... blueberries. Spoon into muffin pans lined with muffin cups, ... Streusel Topping over muffins. Bake for 25-30 minutes or until done. Makes 16-18 muffins.
In a mixing bowl cream ... greased or paper-lined muffin cups two-thirds full. Sprinkle with ... crumbly. Sprinkle over muffins. Bake at 375°F for 25-30 minutes or until browned.