01
All-Purpose Flour
6.77/8 cup : 1 cup
Use 1 cup minus 2 tbsp AP flour per cup cake flour; sift twice for lighter texture in delicate cakes
6.7
cake flour substitute
for marinade.
Marinades borrow cake flour as a dry coating that grips after a 30-60 minute wet-acid soak, where vinegar at pH 2.4 or buttermilk at pH 4.6 has loosened protein surface fibers. The flour's fine grind clings to that softened surface in a thin layer that browns in under 4 minutes per side. A substitute must penetrate the same softened layer, balance the marinade's salt-acid load, and avoid sloughing off during pan-contact at 375°F.
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adjustment for marinade
Use 7/8 cup AP per cup of cake flour for post-marinade dredge. AP's higher protein clings tighter to acid-softened meat surfaces after a 30-60 minute pH 2.4-4.6 soak, and the coating browns deeper at 375°F pan-contact in 3-4 minutes per side.
02
Cornstarch
6.72 tbsp : 1 tbsp
Blend 2 tbsp cornstarch with 14 tbsp all-purpose flour to mimic 1 cup cake flour
6.7
adjustment for marinade
Swap 50/50 with another flour for marinade dredge. Pure cornstarch on acid-softened meat fries to a thin, crackling shell at 375°F in under 3 minutes per side. The coating absorbs less marinade flavor than wheat dredges, so brush extra marinade on after the sear.
03
Cassava Flour
3.31 cup : 1 cup
Gluten-free 1:1 swap with neutral flavor; texture is slightly gummier
3.3
adjustment for marinade
Swap 1:1 for gluten-free post-marinade dredge. Cassava grips acid-softened protein well after a 30-minute soak below pH 4.6, and crisps to a dense crust at 375°F in 4 minutes per side. Slightly gummier than cake flour — dredge thinly so penetration depth stays even.
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04
Arrowroot
3.32 tbsp : 1 tbsp
Blend 2 tbsp arrowroot with 14 tbsp all-purpose flour as a gluten-free cake flour substitute
3.3
adjustment for this dish
Use 50/50 arrowroot and AP for marinade dredge. Arrowroot crisps glossy and holds the marinade's salt-acid balance without dulling pH 2.4-4.6 brightness. The crust forms in 3 minutes per side at 375°F but loses crunch within 5 minutes of plating, so serve immediately.