Three bean salad

1 lb green beans
1 lb yellow beans
1 lb kidney beans, drained and rinsed
1 onions sliced into thin rings
¾ sugar
2/3 c. distilled white vinegar
1/3 c. oil
½ tsp. salt
½ tsp. black pepper
½ tsp. celery seed

Prep beans by “snapping ends off and breaking or cutting into 1-2 inch pieces. Mix together green & yellow beans and steam lightly. Rinse under cold water and drain. Add, kidney beans, onion, sugar, vinegar, vegetable oil, salt, pepper, and celery seed. Let set in refrigerator for at least 12 hours.