1 (10 oz.) pkg. frozen corn, thawed
1 c. finely chopped sweet pepper
1/2 c. finely chopped onion
1/4 c. pickle relish
1/4 c. finely chopped celery
1/3 c. white vinegar
1/3 c. vegetable oil
1 tbsp. sugar
2 tsp. prepared mustard

Combine vegetables; stir together remaining ingredients and boil for 1 minute. Pour over vegetables; stir well.

Refrigerate, covered, overnight. Stir occasionally. Spoon into jars; cover and refrigerate.