Cream Cheese Danish
["2 large tubes crescent roll dough", "2 (8 oz.) pkg. cream cheese", "3/4 c. plus 1/2 c. sugar", "1 egg, separated", "1 tsp. vanilla"]
["Unroll 1 tube of dough into bottom of greased 9 x 13-inch pan. Press to sides of pan, and press all seams together."]
["crescent roll", "cream cheese", "sugar", "egg", "vanilla"]