The best replacement for flour is cornstarch.

The best alternatives to flour are rated as following:
★★★★★  cornstarch
★★★★  corn tortillas
★★★★  cake flour
★★★  bread flour
★★★  self rising flour
★★★  all purpose flour
★  starch
★  corn tortilla
★  white flour
★  regular flour
★  breadcrumbs
★  wheat
★  cornstarch to thicken
★  almond flour
★  flour
★  unbleached flour
★  coconut flour
★  pastry flour
★  flower
★  meal
★  mold
★  almond meal
★  wheat flour
  cornstarch thickening
  cornmeal
  rice flour
  egg first
  cornstarch frying
  unbleached
  gluten free flour
  cornstarch to thicken gravy
  corn starch
  potato starch
  egg wash first
  corn flour
  tapioca starch
  semolina
  wheat tortilla
  all purpose
  self rising
  bleached flour
  self raising flour
  self raising
  bisquick
  mold on bread

Your alternative for flour is not listed? Suggest!
Speaking about flour, one probably shouldn't forget about gluten.

Other search terms related to flour and their ratings are:
★★★★★ gluten
★★★ yeast
★★ wheat
★ less gluten
★ wheat flour
★ baking powder
★ whole wheat
★ starch
★ high gluten
no gluten
cornstarch
whole wheat flour
xanthan gum
highest gluten
almond flour
corn starch
You have in mind a companion for flour and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of flour in all years. Click on graph for more.
flour
cornstarch
corn tortillas