Spanish Sauce

2 Tb. butter 1 slice of onion 2 Tb. flour 1 tsp. salt 1/8 tsp. pepper 1 c. milk 1/4 c. tomato puree 1/4 c. chopped pimiento

Brown the butter with the onion, add the flour, salt, and pepper, and stir until well blended.
Add the milk and allow the mixture to cook until it thickens. To this add the tomato and pimiento. Heat thoroughly and serve.