The Best Low Carb Brownies Melt the butter and dark chocolate. In a mixing bowl, combine the melted butter and dark chocolate mixture with almond butter... ...and stir until smooth. Gradually add eggs. Add ground almonds and erythritol and stir everything into a smooth batter. Smooth out the brownie dough in a loaf pan and bake at 160 degrees for 20 minutes. Remove the brownie from the pan and cut into pieces.