01
Taro
10.0best for sauce1 cup : 1 cup
Starchy and neutral, closest swap
10.0
potatoes substitute
for sauce.
Potato in sauce work means pureed (mashed russet) thickening soups and stews at 165-200°F simmer, where granules swell to deliver 1500-2500 cP coating. Stew thickeners need not break down past 200°F. Substitutes ranked here are judged on coating viscosity, reduction tolerance, and color contribution. Cornstarch slurry hits the same cP at 1 tbsp per cup — pure starch, no bulk; cassava locks denser body but turns gluey if over-simmered.
top substitutes
adjustment for sauce
Potato puree produces a cream-colored, neutral sauce base. Taro shifts both color and flavor: the natural gray-purple pigment tints the sauce visibly, and its earthy character is more pronounced than the mild taste of potato. Boil 25 minutes, sieve out fibers, whisk 1/4 cup per 2 cups stock. Use 1:1 cup of potato puree. Works well in tamarind or fish-sauce broths where earthiness is welcome.
02
Yam
10.0best for sauce1 cup : 1 cup
Neutral starch, less sweet
10.0
adjustment for sauce
Potato starch is efficient but moderate. Yam's 28% starch provides a noticeably stronger thickening effect at the same 1/4-cup-per-2-cups ratio — closer to coating viscosity than a potato-based sauce would reach. Boil 25 minutes, mash smooth, whisk in. Use 1:1 cup of potato puree. Keep the simmer gentle; yam overcooks to a pasty texture more readily than potato does.
03
Cornstarch
3.3best for sauce1 tbsp : 1 tbsp
Pure thickener; use 1 tbsp cornstarch slurry per potato to thicken soups, no bulk or texture
3.3
adjustment for sauce
Cornstarch slurry hits coating viscosity (2000-2500 cP) at 1 tbsp per cup of liquid, mixed cold with 2 tbsp water, whisked into hot sauce. Pure starch — no color, no bulk. Won't fall apart at 200°F, but loses thickening above 220°F if held long. Skip mashing entirely; use 1 tbsp per potato called for.
show 8 more substitutes
04
Turnips
10.01 cup : 1 cup
Mild root, works in stews and roasts
10.0
adjustment for this dish
Turnip puree thickens lightly — 6% starch barely lifts past 1200 cP at 1/4 cup per 2 cups stock. Better as flavor base than thickener. Boil 25 minutes, mash, whisk in. Use 1:1 cup of potato puree but combine with 1 tsp cornstarch per cup if you need true coating viscosity.
05
Sweet Potato
10.01 cup : 1 cup
Sweeter, works in most potato recipes
10.0
adjustment for this dish
Where potato puree gives a sauce a pale, neutral base, sweet potato pulls two directions at once: it adds 4–6% sugar and a vivid orange color that potato never contributes. Roast, pulp, and whisk in 1/4 cup per 2 cups stock. Reduce added sugar by 1 tsp per cup to keep it savory. Use 1:1 cup of potato puree. Pairs naturally with chipotle and smoked paprika.
06
Cassava
10.01 cup : 1 cup
Starchy and neutral, closest swap
10.0
adjustment for this dish
Potato starch thickens sauces progressively and forgives a range of temperatures. Cassava's 38% starch is less forgiving — push past 200°F and it overcooks into a gluey mass rather than a coating viscosity. Keep the simmer gentle, add mashed cassava for only 6–8 minutes, and pull before it tightens too far. Use 1:1 cup of potato puree. Color holds pale ivory throughout.
07
Parsnips
10.01 cup : 1 cup
Slightly sweet, mash or roast same as potato
10.0
adjustment for this dish
Parsnip puree thickens to 1800 cP and adds 5% sugar plus subtle parsnip-sweet aroma. Boil 20 minutes, mash, whisk 1/4 cup into 2 cups stock. Use 1:1 cup of potato puree. Cut other sweet ingredients in the sauce by 1 tsp to balance. Color stays creamy off-white.
08
Breadfruit
10.01 cup : 1 cup
Starchy tropical fruit, roast or boil like potato
10.0
adjustment for this dish
Potatoes thicken sauces by releasing amylose from their cells as they break down — breadfruit's denser 22% starch gives a slightly more substantial, less fluffy body when mashed into stock. Steam, mash smooth, whisk in 1/4 cup per 2 cups. Use 1:1 cup of potato puree. Breadfruit holds emulsion well, making it particularly good in coconut-based or Scotch-bonnet-spiked sauces.
09
Cauliflower
6.71 cup : 1 cup
Low carb swap for mash and roasts
6.7
10
Kohlrabi
6.71 cup : 1 cup
Low carb swap, roast or mash when tender
6.7
11
Plantain
3.31 cup : 1 cup
Green plantain for starchy savory dishes
3.3