2 Tb. butter
2 Tb. flour
3/4 c. milk
/2 tsp. salt
1/8 tsp. pepper
2 Tb. vinegar
1 egg
1 Tb. chopped parsley
Melt the butter, add the flour, and stir until well blended. Add the
milk, salt, and pepper, and cook until the mixture thickens. To this add
the vinegar, the egg chopped fine, and the chopped parsley. Heat
thoroughly and serve.