Wash our vegetables. Do peppers remove seeds and the stalk, cucumber and tomato are removed (does not work literary to speak) ass. Cut our vegetables into pieces of medium size (the better to whip them in a blender). In a blender, pour oil, put immediately salt, onion, garlic and whisk. In the resulting mass gradually add the cucumbers, pepper, tomatoes (sequence it is this: from the more hard products to soft).