You can serve beignets with a variety of toppings, the most common being powdered sugar. You could also try honey or jam if you wanted a sweeter option. A less traditional choice, but still delicious, is to make a sauce to dip the beignets in. You can make a raspberry sauce or use something like a thinned chocolate or caramel sauce. You can also decide to make a powdered sugar glaze to dip the beignets in.