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.