I want to serve sweet potato fries at a party (80 guests) Is there a way to precook or partially cook them the day before, so I can just reheat them on the day of the party to serve warm and crisp?

  • We don't really answer questions about "health" topics. We can address whether it's possible and what method to use but whether or not it's "healthy" is outside our scope.
    – Catija
    Sep 18, 2015 at 15:57
  • 1
    It's almost standard procedure to soak and blanch white potato fries before the real cooking. I never realized how complicated making the perfect fry can be! Hopefully there's an expert that knows how white potatoes and sweeties differ.
    – user36802
    Sep 18, 2015 at 16:30

1 Answer 1


As user36802 noted, cooking fries normally requires blanching the fries beforehand, which will par-cook them.

You can also check out this Food Lab article; in it, Kenji Lopez suggests parboiling the fries, then drying them and frying them once, followed by cooling and freezing them overnight. His recipe continues to fry the fries a second time before serving, but you could theoretically reheat them in the oven instead. I would assume that most of the moisture has escaped the fries after the first fry, so ideally you wouldn't notice much of a texture difference between twice-fried and fried-then-baked fries, but I haven't tried that method myself.

Also good to note that his recipe is for regular-potato fries; however, the technique should work just as well for sweet potato fries (in fact, I'd assume that since sweet potato fries tend to be more moist than regular fries, any texture difference from frying then baking should be less noticeable).

  • I'd actually make kind of the opposite assumption for sweet potato fries; since they hang on to more moisture, I think they'd probably lose some of the initial crispness from the first frying, and would benefit more from a second round of frying immediately before serving. Looks like I'll have to make a big batch for testing. Shame.
    – logophobe
    Oct 30, 2015 at 19:04
  • Haha, we all appreciate your sacrifice. Let me know how the test turns out! Oct 30, 2015 at 19:23

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