Sandwich Filling - cooking recipe

Ingredients

12 pimentos or mangos (mix color)
4 onions
1 tsp. salt
1/2 tsp. pepper
2 c. vinegar
1 c. granulated sugar
4 Tbsp. flour
2 Tbsp. dry mustard
4 Tbsp. butter

Preparation

Grind vegetables and cook a few minutes in vinegar.
Blend in other ingredients.
Stir and cook 20 minutes.
Put in jars and seal.