Using Cornstarch Instead of Tapioca Flour
Ratio
1:1 for thickening
Good — works well with minor differences
Recipe Adjustment Notes
Cornstarch gives a cloudier, less stretchy set. Avoid for boba-style chew.
Measurement Variance Note
For 1 cup references, this ingredient can vary by about 12% across brands and measuring methods (106g-134g per cup). For the most reliable substitution result, measure by weight and test a half batch first.
How Cornstarch Compares for Tapioca Flour
Quality rating: good. Cornstarch gives a cloudier, less stretchy set. Avoid for boba-style chew.