Remove chicken from stock and let cool. Skim fat. Once the chicken has cooled remove it from bones and tear or chop into bite-size pieces.Peel potatoes and chop into 1-inch cubes.
Noodles: Mix flour, salt, pepper, and baking soda.Pour mixture onto a counter. Make a well, add eggs and butter. Fold together. Add warm water until you can make a dough ball.