I went through all of my flours in the pantry and tasted them.
Potato Starch
taste: mild potato
grain: fine
Tapioca Flour
taste: bland
grain: fine
Sweet Rice Flour
taste: mild rice
grain: small fine
White Rice Flour
taste: moderate rice
grain: large fine
Brown Rice Flour
taste: moderate and hearty rice
grain: small coarse
Soy Flour
taste: strong soy
grain: coarse; glutinous
Almond Meal
taste: delicious almond
grain: large coarse
Sorghum Flour
taste: a little nutty, slightly sharp
grain: coarse
Oat Flour
taste: mild oat
grain: small coarse
Amaranth Flour
taste: grassy
grain: small coarse
Flax seeds
taste: mild nutty
grain: large coarse
Chia seeds
taste: mild
grain: large coarse
Cornstarch
taste: mild
grain: small fine
xantham gum
taste: plastic
grain: fine, glutinous
whey powder
taste: sharp strong, cheese
grain: small coarse; slightly glutinous
vanilla whey powder
taste: sharp, raw vanilla, sharp whey
grain: large fine
corn meal
taste: popcorn
grain: large coarse
Wheat flours
The wheat flours have a light planty flavour
Cake flour (wheat)
taste: mild
grain: fine glutinous
AP flour (wheat)
taste: slightly, sharp
grain: large fine
Bread flour (wheat)
taste: sharp -but not like soy
grain: large fine
Whole Wheat Pastry Flour
taste: slightly, sharp mild
grain: large coarse
Whole Wheat Flour
taste: good, like whole wheat bread
grain: large coarse
Potato Starch
taste: mild potato
grain: fine
Tapioca Flour
taste: bland
grain: fine
Sweet Rice Flour
taste: mild rice
grain: small fine
White Rice Flour
taste: moderate rice
grain: large fine
Brown Rice Flour
taste: moderate and hearty rice
grain: small coarse
Soy Flour
taste: strong soy
grain: coarse; glutinous
Almond Meal
taste: delicious almond
grain: large coarse
Sorghum Flour
taste: a little nutty, slightly sharp
grain: coarse
Oat Flour
taste: mild oat
grain: small coarse
Amaranth Flour
taste: grassy
grain: small coarse
Flax seeds
taste: mild nutty
grain: large coarse
Chia seeds
taste: mild
grain: large coarse
Cornstarch
taste: mild
grain: small fine
xantham gum
taste: plastic
grain: fine, glutinous
whey powder
taste: sharp strong, cheese
grain: small coarse; slightly glutinous
vanilla whey powder
taste: sharp, raw vanilla, sharp whey
grain: large fine
corn meal
taste: popcorn
grain: large coarse
Wheat flours
The wheat flours have a light planty flavour
Cake flour (wheat)
taste: mild
grain: fine glutinous
AP flour (wheat)
taste: slightly, sharp
grain: large fine
Bread flour (wheat)
taste: sharp -but not like soy
grain: large fine
Whole Wheat Pastry Flour
taste: slightly, sharp mild
grain: large coarse
Whole Wheat Flour
taste: good, like whole wheat bread
grain: large coarse