put the flour in a mixing bowl
stir together the water and salt
drizzle the water over the flour and stir to combine
mix by hand until a soft dough forms
the lift the dough out of the bowl leaving behind any dry clumps
knead lightly until the dough comes together
flatten to a 4x4 square, wrap tightly with a plastic bag to keep the air out, refrigerate
unwrap the cold butter and lay on a lightly floured counter
bash it with a rolling pin until it's flat, and form 4x4 inch square, wrap tightly and refrigerate for 10 minutes
after 10 minutes roll the dough out to an 8x8 square
lay the butter on the dough and fold the edges in and pinch to seal shut
flip over, roll out to a rectangle 4 inches wide and 12 inches long either book fold or letter fold, as described above in the post, turn 90˚
repeat the roll and fold, wrap tightly and refrigerate for 30 minutes
repeat the folding, rolling X2 refrigerate procedure 5 more times
then wrap and refrigerate for AT LEAST 4 hours before rolling out, you can also wrap tightly and rest it overnight
line two baking sheets with parchment
when you're ready to bake quickly roll the dough out to a 12X10 rectangle
sprinkle with the parmesan and herbs, press lightly
roll each half up to the middle then gently pinch together
slice the log into 1/4 - 1/3 of an inch slices
lay the slices an inch apart on the prepared baking sheet, if you need to reset the slices so they look right now is the time to do it
preheat the oven to 400˚
put the baking sheets into the refrigerator while the oven preheats
when the oven is ready put one pan in the oven on the middle rack
bake for 20-25 minutes JUST until the palmiers have puffed up, and are lightly brown, don't let them burn
repeat with the remaining tray
serve the same day