1 can (16 oz.) green beans
1 can (16 oz.) yellow (wax) beans
1 can (16 oz.) kidney beans
1 can (16 oz.) carrots

Drain. Slice a large onion thinly.

Mix together:

3/4 c. sugar
1/3 c. oil
2/3 c. vinegar
1 tsp. salt
Pepper to taste

Pour mixture over beans and marinate and refrigerate. Keeps well.