All-Purpose Flour with Vital Wheat Gluten (Best Option)
For every 1 cup bread flour, use 1 cup all-purpose flour plus 1 teaspoon vital wheat glutenBread flour has a higher protein content (around 12-14%) compared to all-purpose flour (about 10-11%). Adding vital wheat gluten to all-purpose flour increases the protein level, enabling gluten formation necessary for the cake’s structure and rise. This is critical in red velvet cake to balance tenderness with enough strength to hold the crumb.
To succeed, mix the vital wheat gluten thoroughly with the all-purpose flour before incorporating into the batter. Avoid overmixing after adding wet ingredients to prevent toughness.
The final cake will have a texture very close to the original bread flour version—soft yet structured, with a fine crumb and good rise, preserving the signature moistness and slight chew of red velvet cake.