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Mar 6, 2007 06:30 PM

Why didn't my sweet potato fries get crispy??!!

I tossed them in olive oil and cooked them in a 400 oven. They became mushy, stuck to the foil, burnt on the side on the foil, just an overall mess!

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  1. were your pans really crowded? They tend to "steam" when that happens, and prevent the nice crispiness.

    1 Reply
    1. re: alex8alot

      It was one pan and it was a bit crowded . I bet you that was it. Thanks! I will try less next time.

    2. Was anything else in the oven with them? Moisture from another dish will prevent them from getting crisp. For example, they will never get crisp if you cook them with a bird in the oven.

      1. Was it a bag from Trader Joe's?? Both my sister in law and I had the same problem. We even tried without evoo. I decided the have to be dimped in hot oil and cooked on the tradition.

        1. My dad uses an egg white to coat his and is happy with the results, I haven't tried that method yet.

          1. I've made sweet potato fries only a couple times, but mine didn't get crispy either. Still were very good, I think there's just something about sweet potato that is inherently not going to get as crispy as a regular potato. They were plenty browned though and think if I kept them in there they'd just have burnt like yours but stayed soft. Do spray your foil with pam or use baking paper like you'd use for cookies.

            3 Replies
            1. re: tarabell

              I was told once by an owner of a Fish and Chips place, when I gently suggested they have SP fries, that the water content of sweet potato fries was too high to properly cook them until very crispy, like regular fries.

              1. re: thenurse

                But it can be done!! Redfish Grill and Bar (one in Chicago, two in Phoenix), El Paso BBQ (Ahwatukee, AZ), Stax (Scottsdale, AZ), and Rumba Grill (Ahwatukee, AZ; although the SWFs here aren't very crispy) all serve crispy fries. I do make sure to order them "extra crispy."

                I saw on a couple of food channel shows where the fries are parboiled first and then lightly oiled and then "oven-fried," and supposedly came out crispy, but I haven't tried this method myself. I recently bought a bag of pre-cut sweet potatoes and tried two methods: pan-frying a cupful of fries in a 1/2 tsp. of oil and lightly spraying a cupful of fries with PAM and then baking them in a toaster oven. Needless to say, the pan-fried version was much better (crispy!) than the toaster-oven version (hard and dry on the outside, mushy on the inside). I'll try the oven next time.

                1. re: starlightjulian

                  i tried parboiling them and then oven baking them. the parboiling took out most of the flavour and left the sweet potato bland. i dont recommend this.