Preheat oven to 375°F. In ... a touch of blueberry flavor, but this step may ... Spray a 12 muffin baking pan with Baker's Joy ... top of unbaked muffins (we like to use Turbinado ... rum or warm water.
Beat together butter and sugar ... by hand. Grease muffin cups, and grease top of pan to prevent muffins from sticking from top edges. ... 1 hour before serving.
Combine all dry ingredients, in ... in blueberries. Fill muffin tins that have paper inserts ... Sprinkle evenly over muffins. Bake at 350°F for ... firm to the touch.