Ingredients

1 package (10 ounces) frozen lima beans 

1 package (9 ounces) frozen cut green beans 

1 can (15 ounces) red kidney beans 

1/4 cup cider vinegar 

1/3 cup olive oil 

Coarse salt and ground pepper 

Preparation

Thaw and drain lima beans and green beans. Drain and rinse kidney beans.

In a medium bowl, whisk together vinegar and oil; season generously with salt and pepper. Add all beans; toss to combine.

Let marinate at room temperature or in the refrigerator, tossing occasionally, at least 30 minutes and up to 1 day.