01
Tapioca
6.7best for dessert2 tbsp : 1 tbsp
Use 2 tbsp tapioca per 1 tbsp cornstarch; gives glossy thickening for pie fillings and fruit sauces
6.7
cornstarch substitute
for dessert.
Dessert use centers on mouthfeel at the 30-50% sugar range where cornstarch competes with sucrose for water. High sugar delays gelatinization by roughly 8-12°C, which is why pastry cream needs a full 2-minute boil after thickening begins. Substitutes are ranked here by clarity under sweetened conditions, how they freeze-thaw in cold desserts, and whether their mouthfeel stays silky rather than turning pasty as sugar load climbs past 35%.
top substitutes
adjustment for dessert
Use 2 tbsp per 1 tbsp cornstarch. Tapioca stays clear and glossy at 30-50% sugar concentration, where cornstarch can turn cloudy. It freezes without weeping, ideal for ice cream bases and chilled fruit tarts stored below 4°C for up to 3 days without syneresis.
02
Arrowroot
6.7best for dessert1 tbsp : 1 tbsp
Use 1:1; arrowroot gives glossy finish like cornstarch, breaks down with prolonged heat
6.7
adjustment for dessert
Swap 1:1. Arrowroot holds glossy transparency in sweetened fruit fillings at 25-40% sugar and gelatinizes at 65-70°C — 5°C below cornstarch — making it faster for stovetop pastry creams. Avoid dairy-based desserts above 93°C for more than 2 minutes, as arrowroot breaks down under extended heat.
03
Chia Seeds
3.3best for dessert1 tbsp : 1 tbsp
Ground chia thickens puddings and jams; forms gel when mixed with liquid, slightly seedy texture
3.3
adjustment for dessert
Use 1 tbsp ground chia per 1 tbsp cornstarch. Chia thickens raw dessert bases like mousses and puddings via mucilage gel at 20°C within 10 minutes. Its 33% fat content adds roughly 2g fat per tbsp, plus nutty top notes that compete with delicate flavors like white chocolate or rosewater.
show 6 more substitutes
04
All-Purpose Flour
10.02 tbsp : 1 tbsp
Use 2 tbsp flour per 1 tbsp cornstarch; thickens sauces but gives cloudier, less glossy result
10.0
adjustment for this dish
Use 2 tbsp flour per 1 tbsp cornstarch. In sweet custards and cream pies, flour produces a duller, opaque finish and a firmer set. The 10% protein also ties up water, making mouthfeel slightly drier at equal sugar load. Reserve for rustic cobblers, not polished pastry cream.
05
Arrowroot Flour
10.01 tbsp : 1 tbsp
Same as arrowroot; 1:1 swap for thickening, freezes better than cornstarch but don't boil long
10.0
06
Rice Flour
10.02 tbsp : 1 tbsp
Use double; less smooth finish
10.0
07
Cake Flour
6.71 tbsp : 2 tbsp
Contains cornstarch already; use for dusting or dredging, not as pure thickener in sauces
6.7
08
Potato Flour
5.01 cup : 1/2 cup
As thickener only; use half
5.0
09
Potatoes
3.31 tbsp : 1 tbsp
Grate raw potato into stew for thickening; starchier result, works in soups not clear sauces
3.3