Using Cake Flour + Cornstarch Instead of All-Purpose Flour

Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
Ratio
1:1 (sub 2 tbsp per cup with cornstarch)
Excellent — nearly identical results

Recipe Adjustment Notes

Lower protein gives a more tender crumb. Best for cakes and pastries.

The Science Behind This Swap

Lower protein gives a more tender crumb. Best for cakes and pastries.

Measurement Variance Note

For 1 cup references, this ingredient can vary by about 12% across brands and measuring methods (110g-140g per cup). For the most reliable substitution result, measure by weight and test a half batch first.

What Works & What Doesn't

Works Well In

  • Muffins & quick breads
  • Cookies
  • Pancakes & waffles

Use With Caution

  • Laminated doughs
  • Macarons
  • Precision pastry

Check This Substitute by Recipe Type