Created by dienia b on April 21, 2022
Step 1: Chop egg whites and reserve.
Step 2: Mash the yolks with a fork and stir in sour cream , mayonnaise and mustard.
Step 3: Add chopped egg whites and scallions and season with salt and pepper.
Step 4: Arrange watercress on 4 bread slices.
Step 5: Top with the egg salad and cover with the remaining bread slices.
Step 6: Cut into 1/4 ths