I love this type of cake but difficult to find one with the right texture. I did try this with all purpose flour and did not like the end result so next time I will search for pastry flour or try your subtitute. Also, 1 c. of sugar is too sweet (at least for our taste buds) and it can be cut back by a half if you choose. Looking forward to trying the proper flour because I know that will make a big difference. Perhaps this review will help someone else.