The phrase "cup flour" refers to a way of measuring flour in recipes using a standard-size cup, which is approximately 120-130 grams of flour. Full definition
Mix all the wet ingredients together the same as the instructions and then mix the 1 1/2 cups flour in with the wooden spoon. (strawberriesforsupper.com)
1 1/2 cups white whole wheat flour (I replaced 1/4 cup flour with ground flaxseed) 2 tsp. (ahintofhoney.com)
If the dough is too sticky, add an additional 1/4 cup flour until the dough is easier to handle. (onedishkitchen.com)