Sautéed Green Beans with Tahini - Rouba Shahin Middle Eastern Cooking

Ingredients

• 500g string beans, ends trimmed
• Olive oil, for sautéing
• 1 large onion, chopped
• 2 red capsicums, sliced into strips
• Salt and black pepper, to taste
• ¼ cup walnuts, chopped
• 2 garlic cloves crushed
• ½ cup tahini hulled
• 3-4 tablespoons lemon juice
• salt to season
• ½ cup cold water (it may be less or more – see Cook’s note)