White Bars with Walnuts Fantastic white walnut cubes, easy to prepare. Many in Serbia adore these bars, and they are often prepared at any time of the day, even for celebrations. Follow recipe. Ingredients: simple, total time: 60 min. 250 g walnuts 250 g of sugar 1 egg Glaze: 4 Tablespoons powdered sugar juice of one lemon Preparation: Whisk 250 g of sugar with one egg yolk, add 250 g of ground walnuts and solid egg whites. Spread the well-mixed mass into a plate three finger