How to make green bean salad Ingredients: Half a kilo of boiled green beans 1 Red bell pepper, sliced thin 1 Yellow bell pepper, sliced thin 1 Green bell pepper, sliced thin 1 Medium onion, sliced thin ¼ Kilo boiled white beans 4 Tablespoons of sugar 3 Tablespoons vinegar 1 Tablespoon lemon juice Salt and black pepper (to taste) 2 Tablespoons vegetable