This is so good the main dish takes a back seat. Grate potatoes into egg mixture. Blend in salt, pepper and cornflake crumbs or matzo meal. Add batter by the spoonful and flatten with back of spoon. Turn and cook on the other side.
Drain pancakes on rack or paper towels as they are ready.
If you need to add more oil to pan, add it between batches. Serve hot with sour cream and applesauce. Add margarine, granulated sugar, eggs, evaporated milk, and vanilla to the sweet potatoes. Place in a greased pan or casserole dish. Mix topping ingredients together and spread on top of the sweet potatoes.