Bean Salad

Ingredients

• 1 (1 lb.) can green beans, drained
• 1 (1 lb.) can kidney beans, drained
• 1 medium purple onion
• 1 (5 oz.) can sliced water chestnuts, drained
• 1/3 c. sugar
• 2 Tbsp. soy sauce
• 1/3 c. apple cider vinegar
• 2 Tbsp. olive oil
• celery salt (optional)