Mix ground beef, onion, cheese, 1/2 tsp salt, garlic salt and egg whites; reserve. Mix flour, egg yolks, water, 1 tsp salt and paprika until dough is elastic about 2 minutes). Divide dough in half.
Roll half into 12-inch square about 1/16-inch thick, cut into 2-inch squares. Fill each square with a tsp of beef mixture. Fold into triangle. Pinch edges together. Repeat with remaining dough. Heat oil, 1-inch deep, in 10-inch skillet, to 400° F. Fry wrap-ups until golden brown, about 45 seconds on each side; drain. Serve hot or cold.
Servings: 6