Orange Marmalade Orange Marmalade Salad Dressing THE BEST SALAD DRESSING!! The secret ingredient is orange marmalade. The sweet and tart orange goes beautifully with a buttery olive oil, white balsamic, and a little mayo to make it creamy. You can Orange Marmalade Salad Dressing (My Everyday Lunch Dressing) My everyday salad dressing secret: orange marmalade. This sweet tangy combo with mustard, mayo, and olive oil takes less than a minute to whisk