Pare potatoes. In
saucepan, heat 1 inch salted water (½ teaspoon salt to 1 cup water) to
boiling. Add potatoes. Cover; cook 30 to 35 minutes or until
tender. Drain; set aside.
In large skillet, fry bacon until crisp; remove and drain. Cook
and stir onion in bacon drippings until golden brown.
Blend in flour, sugar, salt, celery seed and pepper. Cook over low
heat, stirring until mixture is bubbly. Remove from heat.
Stir in water and vinegar. Heat to boiling, stirring constantly.
Boil and stir 1 minute.
Crumble bacon. Thinly slice potatoes. Carefully stir bacon
and potatoes into hot mixture. Heat through, stirring lightly to
coat potato slices.
In skillet, brown bratwurst in shortening, turning with tongs; do not
pierce with a fork. Serve with potato salad.