This isn't a low fat product, so use sparingly if you're cutting calories. It does remove the cholesterol from mayonnaise, and the oils are heart healthy canola and olive, rich in essential omega-3 and omega-6 fatty acids.
In blender, mix egg beaters, olive oil, mustard, salt and sugar on high until blended. While still running first add lemon juice, then slowly pour in canola oil. You will have to perform the "turn off - stir - restart" maneuver several times in order to get a smooth product.