3 smoked apple horseradish pancakes Recipes

all-purpose flour (about 2 1/4 oz), shredded peeled baking potato (about 2 lb), grated fresh onion, salt, freshly ground black pepper, egg whites, olive oil, divided, reduced-fat mayonnaise, chopped granny smith apple, plain fat-free yogurt, prepared horseradish, smoked rainbow trout, bones removed, broken into 48 pieces, chopped fresh chives

russet potatoes, peeled , cut into 1 1/2-inch pieces, onion, peeled, quartered, cube peeled celery root (celeriac), granny smith apple (unpeeled), quartered, cored, egg, green onion, finely chopped, chopped fresh marjoram, salt, ground black pepper, all purpose flour, vegetable oil (for frying ), creme fraiche or sour cream, drained prepared white horseradish, sliced smoked salmon, chopped fresh chives