Wash apples thoroughly and grate dry. Remove apple stalks. Stick wooden skewers halfway into the apples at the base of the stalk. Dissolve sugar in 110 ml water in a pot at low heat. Add butter and sugar beet syrup and bring everything to the boil. Continue cooking without stirring until the toffee has reached 170°C (sugar thermometer)
Take the pot from the stove and stir in the nuts. Carefully dip the apples individually into the mixture so that they are completely covered. Put them on baking paper and let them get firm