Thumbprint Cookies

  Ingredients: butter 130g sugar 50g egg 1 (separate egg yolk and egg white) vanilla 1/2 tsp flour 130g salt 1 pinch 3/4 cup finely chopped walnuts 1/2 cup jam   Preheat oven to 180 Degree C Cream butter with sugar till light and fluffy. Add in vanilla and egg yolk. Mix well. Add in…