Preheat oven to 325F
Grease 9 or 10 inch springform pan with butter and dust with flour, tapping out the excess
Add sugar, almond paste, and 35 g (1/4 cup) flour to food processor. Blend until it form a homogenous fine-grain sand
Add butter, vanilla extract, and almond extract to food processor. Blend until very smooth and fluffy
Add eggs to food processor one at a time, pulsing a bit after each one to smoothly blend them in
Mix together 105 g (3/4 cup) flour, baking powder, and salt in bowl
Add half of bowl to food processor, pulse a few times, then add the rest, pulsing until just incorporated. Do not overmix
Scrape batter into cake pan and bake for 50-80 min or until top is deep brown and center is set. A knife
inserted into the center should come out mostly clean
Run a knife around the edge of the cake pan to loosen the sides and let the cake cool completely in the pan before removing