Preheat the oven to 350°F. Grease a 9" or smaller bundt cake pan with butter and dust it with flour.
In a large bowl combine all-purpose flour, almond flour and baking powder. Set aside.
1 cup all-purpose flour, 1 cup almond flour, 1 1/2 tsp. baking powder
In a separate large bowl mix with electric mixer butter and cane sugar until smooth. Add eggs, each at a time and mixing all the time. Combine all ingredients very well. Add vanilla extract.
1 cup unsalted butter, 3/4 cup cane sugar, 4 eggs, 2 tsp. vanilla extract
Add dry ingredients to wet ingredients and combine with spatula.
Bake for 40 minutes until inserted toothpick will come out clean.
Remove from oven. Leave it for 15 minutes in the pan. Remove from the pan and cool off on wire rack.