Use this rich, sweet filling to make kolache, a sort of stuffed fluffy bun. Slideshow: More Cream Cheese Recipes
In a medium bowl, use a hand mixer to beat the cream cheese with the sugar at low speed until smooth, about 3 minutes. Add the egg yolk, vanilla, cinnamon, nutmeg and salt. Mix at low speed until combined, 3 minutes longer.
The cream cheese filling can kept in an airtight container in the refrigerator for 3 days.