Separate crescent rolls into 2 rectangles. Form log of sausage mixture lengthwise down the center of each rectangle. Fold over the long side of pastry to cover the sausage log. Place on ungreased baking sheet. seam down. Brush with egg whites. Sprinkle with poppy seeds. Bake 20 minutes or until crust is golden brown. When completely cooled, slice into 1 1/2 inch slices. Yield: 4 dozen.