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Can you cut duck fat with a cheaper oil?

I'm serving steak frites at a dinner in a few weeks and I reeeeally want to fry my potatoes in duck fat. It's hard to find around Toledo and everything online is pretty pricey. Could I do half duck fat and say, half peanut oil, while yielding the same results? Or is it not even worth it at that point?

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  1. Sure, I mean, why not? You will lose some of what makes duck fat special, but I do this sort of thing all the time. I keep all the leftover fats: chicken, bacon, duck, pork and even beef, and often add them to my deep fryer as needed as well as using them singly.

    Personally I would use chicken as the supplemental fat, or bacon, rather than peanut oil.

    1. i second the chicken fat.

      1. Julia Child loved McDonald's fries in the days when they used beef tallow in their fryalators. I think any livestock/poultry fat will add taste. One of the pluses of duck fat is that it is actually a healthier fat than the other mainstream animal fats. But if you want to stretch it with a plant-based oil, it should still taste better than using ONLY the latter.

        1. why not buy a duck or two and use the fat that is rendered out in cooking it for your project? might be cheaper than buying the fat specially

          1. Duck itself is hard to find around here. It would end up being about the same price. I do have a client that hunts... Perhaps he could be of help!

            I think I will try replacing some of it with chicken fat.

            2 Replies
              1. re: Sarahmillersandford

                A Chinese grocery store or a butcher, who could order - or the frozen foods dept in a supermarket is where I would look.
                You would of course get to eat the ducks as well as the fat, so the cost would be spread across several tasty meals.