ADD potatoes and onions, in small batches, to blender or food processor container; cover. Process, using pulsing action, until potatoes are coarsely chopped. Spoon into large colander; drain 15 min., stirring occasionally.
BEAT eggs lightly in large bowl. Stir in bread crumbs and salt. Add potato mixture; mix well.
HEAT 2 tsp. of the oil in large skillet. Spoon scant 1/4 cup of the potato mixture into skillet; press lightly with back of spoon to flatten. Repeat with the remaining potato mixture, cooking 4 or 5 latkes at a time. Cook 2 to 3 min. on each side or until golden brown on both sides. Drain on paper towels. Place on foil-covered ovenproof platter; cover to keep warm. Repeat with the remaining potato mixture, adding remaining oil to skillet as needed. Serve with the sour cream and Raspberry-Cinnamon Applesauce.