3 Bean Macaroni Salad UncategorizedBean Bulletin, Cooking Give macaroni salad a protein and flavor boost by combining it with 3-bean salad. This hearty salad is a fun addition to picnics and also makes a complete meal by itself. 2 cups cooked elbow macaroni ½ pound fresh green beans, trimmed and halved 1 can kidney beans, drained and rinsed 1 can white beans, drained and rinsed 1 red bell pepper, finely chopped ½ cup chopped onions ½ cup mayonnaise ¼ cup Italian salad dressing Steam the green beans until they are just tender. In a large bowl, combine the pasta, green beans, kidney beans, white beans, red pepper and onions. Stir the mayonnaise and salad dressing together to combine thoroughly. Stir the dressing into the pasta salad. Season with salt and pepper. Not a fan of macaroni salad? Try this Cranberry Bean Summer Vegetable Salad.