- 1 (16 ounce) can whole beets
 - 1/4 cup white sugar
 - 1 teaspoon prepared mustard
 - 1/4 cup white wine vinegar
 - 1/4 cup diced red onion
 
- Drain beets, reserving 1/4 cup liquid, and slice into 1/4 to 1/2 inch slivers. Add onions and toss.
 - In a saucepan over medium heat, cook the sugar, mustard and reserved 1/4 cup liquid until dissolved. Add vinegar and bring to boil; remove from heat and allow to cool.
 - Pour over the beet slices and onions, toss and refrigerate for 4 to 6 hours. Remove from refrigerator and serve at room temperature.