01
Taro
10.0best for frying1 cup : 1 cup
Starchy and neutral, closest swap
10.0
potatoes substitute
for frying.
Frying potato at 325°F (par-fry) and 375°F (finishing fry) yields the classic French fry crust — starch granules gelatinize on first dip, dehydrate on second. Oil uptake under 12% by weight is the benchmark. Substitutes here are ranked on dry-matter content (higher equals crisper), browning at 350°F, and slice cohesion through tongs. Cassava and taro outperform on glassy crispness; cauliflower struggles because of low starch.
top substitutes
adjustment for frying
Taro slices fry at 350°F into chips that hold crisp texture for 4-6 hours uncovered. Cut to 1.5 mm; soak 10 minutes in cold water to leach oxalate, dry thoroughly before oil. 35% dry matter (versus potato's 22%) gives glassier crisp. Use 1:1 cup. Oil uptake about 11%, tied with potato.
02
Yam
10.0best for frying1 cup : 1 cup
Neutral starch, less sweet
10.0
adjustment for frying
Yam slices fry at 360°F into firm crisp wedges — denser than potato. 28% starch, 1% sugar means little caramelization. Cut 1 cm thick, fry 5 minutes per side. Use 1:1 cup. Salt while hot for adhesion. Holds crisp 3-4 hours uncovered, slightly less than potato because slightly less dry matter.
03
Turnips
10.01 cup : 1 cup
Mild root, works in stews and roasts
10.0
adjustment for frying
Turnip fries are softer than potato because of lower 6% starch and higher water content (90%). Par-fry at 325°F for 4 minutes to release water, then finish at 375°F for 2-3 minutes. Use 1:1 cup. Oil uptake hits 14% — slightly higher than potato. Best for soft-crispy fries, not glassy crunch.
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04
Cassava
10.01 cup : 1 cup
Starchy and neutral, closest swap
10.0
adjustment for this dish
Cassava slices fry at 360°F to glassy-crisp interior thanks to 38% starch. Pre-boil 8 minutes, drain, then fry — raw cassava cyanogenic glycosides need cooking out first. Cuts oil uptake to about 9%. Use 1:1 cup. Crispness lasts 5-6 hours uncovered, beating potato by an hour or two.
05
Parsnips
10.01 cup : 1 cup
Slightly sweet, mash or roast same as potato
10.0
adjustment for this dish
Potatoes fry at 350–375°F without issue because their low surface sugar doesn't caramelize early. Parsnips behave differently: 5–6% natural sugar hits caramelization at 320°F, so you must drop the oil to 340°F and shorten cook time to 3–4 minutes per side or the cut faces burn before the center is done. Use 1:1 cup. Pair the sweet result with garlic aioli or smoked salt.
06
Breadfruit
10.01 cup : 1 cup
Starchy tropical fruit, roast or boil like potato
10.0
adjustment for this dish
Potatoes brown during frying partly because their 1% reducing sugars drive Maillard reactions. Breadfruit carries less of that sugar signal, so it browns by a different route — its dense starch gelatinizes quickly at the surface. Fry at 350°F for 6 minutes, pre-blanching first to prevent a raw center. Use 1:1 cup. Watch color rather than time; breadfruit can outpace potatoes to dark.
07
Cauliflower
6.71 cup : 1 cup
Low carb swap for mash and roasts
6.7
adjustment for this dish
Cauliflower fries at 375°F with a coating only — naked florets at 2% starch don't crisp on their own and absorb 18-20% oil. Coat in seasoned cornstarch or rice flour first; fry 3-4 minutes. Use 1:1 cup of potato but expect a different crunch — coating-driven, not starch-driven.
08
Kohlrabi
6.71 cup : 1 cup
Low carb swap, roast or mash when tender
6.7
adjustment for this dish
Kohlrabi fries are very light because of 4% starch. Par-fry at 325°F for 4 minutes to drive off water, finish at 375°F for 2 minutes. Oil uptake 16% — high. Use 1:1 cup of potato. Best for low-carb fries with strong seasoning (paprika, cumin, smoked salt) since flavor is mild.
09
Cornstarch
3.31 tbsp : 1 tbsp
Pure thickener; use 1 tbsp cornstarch slurry per potato to thicken soups, no bulk or texture
3.3
10
Plantain
3.31 cup : 1 cup
Green plantain for starchy savory dishes
3.3
11
Sweet Potato
10.01 cup : 1 cup
Sweeter, works in most potato recipes
10.0