Place Bridgford Ready-Dough Sheet in a greased half sheet pan. When dough is thawed, press to fit into the corners. Beat cream cheese with 1 cup sugar of mixing bowl until light and fluffy. Beat in eggs and vanilla. Spread over dough. Sprinkle with blueberries. Combine flour and 1 cup sugar in small bowl. Cut in margarine or butter until crumbly. Sprinkle over blueberries. Let rise for 30 minutes. Preheat convection oven to 325 degrees. Bake for 20 minutes or until the edges become golden brown and filling is set. Remove from oven and let cool. Drizzle with glaze if desired.

Glaze: Mix ingredients well.