unsalted butter (about 750 grams), at room temperature • margarine (about 500 grams), at room temperature • eggs • granulated sugar (about 200 grams) • powdered sugar (about 200 grams) • vanilla powder or 3 teaspoons vanilla extract • brandy (about 1/2 glass or 120 ml) • Juice of 2 oranges • baking powder (about 2 tablespoons) • heaping teaspoon baking soda • almond flour (about 500 grams) • finely chopped hazelnuts (about 300 grams) •