sentence: mix walnuts and an egg white in a bowl sentence: mix sugar and spices with the walnuts sentence: spread the walnuts onto a baking sheet and roast in the oven sentence: mix creme fraiche yogurt lemon juice and pepper sentence: mix black truffles and walnut oil with the dressing sentence: slice the celery root and apples sentence: mix the dressing with the celery and apples sentence: place the salad into the mold and garnish with grapes walnuts and microgreens