1. 1.Wrap the green beans in the an aluminum foil packet. 2. Prepare your pressure cooker by adding 4 cups of fresh water, and then adding the soaked and rinsed Chickpeas, Bay Leaf and Garlic Clove. 3. Add the steamer basket with the soaked and rinsed Borlotti Beans. 4. Finally, add the tin foil packet of Green Beans . 5. Use a second trivet or anything in your kitchen to keep the packet suspended above the Borlotti (small heat proof cup, stainless steel cookie cutters, or a second steamer basket) - see photos, below. 6. Close and lock the pressure cooker. Turn the heat up high and when the pan reaches pressure, lower the heat and count 13-15 minutes cooking time at HIGH pressure. 7. When time is up, release pressure using the Natural method - move the pressure cooker to a cool burner and do not do anything, wait for the pressure to come down on it's own (about 10 minutes). For electric pressure cookers, if the pressure has not come down in 10 minutes, release the rest of the pressure using the valve. 8.While the beans are cooking, prepare the dressing. Slice the onion finely and mix in a small bowl with the vinegar and sugar. Set aside to macerate. 9.Remove and open the packet of green beans. 10. Pour the beans from the steamer basket and bottom of the pressure cooker into a strainer (reserve the cooking liquid if you like to use in place of stock) and rinse under cold water to stop them from cooking. Slice the green beans into pieces and mix in with the other beans. 11. In the serving bowl, combine the Beans, macerating onion, celery, parsley and olive oil and mix well and add any salt and pepper to taste. 12. Serve immediately or after the bean salad chilled in the refrigerator several hours or overnight.