Heat oven to 350 Place spinach in medium bowl. Add soup mix, feta cheeses and 1 egg, mix well On floured surface, roll out pastry sheet into a rectangle, cut in 1/2 lengthwise. Spread 1/2 the spinach mix over center, lengthwise down entire sheet strip. Moisten the edges of dough w/ other egg. Fold dough lengthwise over spinach mix. Seal edges by pressing down the seams w/ a fork. Brush top of rolls w/ egg. Place rolls on baking sheet. Bake about 25 min, or until golden. Cool slightly. Cut into 1-1/2' slices.