Beat sugar and eggs at medium speed with an electric mixer until fluffy. Add whipping cream and next 4 ingredients, beating until blended. Fold in bread cubes and blueberries; pour into a lightly greased 13- x 9-inch pan. Let stand 10 minutes.
Bake at 375° for 40 to 45 minutes. Cool in pan on a wire rack 5 minutes. Serve with Blueberry-Lemon Sauce and, if desired, whipped cream.