Heat oven to 375°F. Lightly grease large cookie sheet with shortening or cooking spray.
If using crescent rolls: Unroll both cans of dough; separate into total of 8 rectangles. Firmly press perforations to seal. If using dough sheets: Unroll both cans of dough; cut into total of 8 rectangles.
In small bowl, mix cheese and onions. Spoon slightly less than 1/4 cup cheese mixture in 1-inch-wide strip lengthwise down center of each rectangle to within 1/4 inch of each end. Fold dough in half lengthwise to form long strip; firmly press edges to seal. Twist strip 4 or 5 times; bring ends together to form ring and pinch to seal. Place on cookie sheet.
In another small bowl, beat egg and water until well blended; brush over dough. Sprinkle with sesame seed and garlic salt blend.
Bake 15 to 20 minutes or until golden brown. Immediately remove from cookie sheet; cool 5 minutes. Serve warm.