Preheat oven to 350°F.
Grease a 9-inch springform pan and dust with a tablespoon powdered sugar. Set aside.
Whisk together flour, baking powder and salt in a medium mixing bowl and set aside.
In a stand mixer fitted with paddle attachment, cream together the butter, sugar, and ricotta cheese until light and fluffy, about 5 minutes.
Add in the eggs and almond extract and cream together for one minute.
Add in flour mixture and mix until combined.
Fold in the finely chopped almonds.
Scrape the batter into the springform pan.
Bake on centre rack for 45-55 minutes, or until a toothpick inserted in cake comes out clean.
Let cool in pan for at least 10 minutes before releasing springform and cooling on wire baking rack.