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Ingredients
- 1 c. vinegar
- 1 tsp. mustard
- 1 tsp. salt
- 1 tsp. A.1. sauce
- 1 tsp. sugar
- sweet onions (preferably Vidalia)
Method
- Mix the first five ingredients and marinate sliced onions for 3 to 4 hours.
- Increase the amount of marinade used as you increase the amount of onions.
- After marinating, butter bread on both sides.
- Make sandwich out of sliced onions.
- Toast on grill. Sliced tomato is good on the sandwich.