2 pkg. (10 oz. each) frozen mixed vegetables, cooked and well drained
1/3 c. vinegar, plus water
3/4 c. sugar
2 Tbsp. flour
1/2 c. onion, diced
1/2 c. celery, diced
2 Tbsp. mustard
1 small jar chopped pimiento

Add enough water to vinegar to make 1/2 cup. Combine vinegar (with water added), mustard, flour and sugar. Cook until thick. Pour over vegetables. Let stand 24 hours before serving.