Cream the butter, the initial ½ cup powdered sugar, and vanilla.
Mix in the flour, salt, and nuts until a dough forms.
Shape into 1-inch balls.
Bake at around 375°F (190°C) until set but not browned (about 10-12 minutes).
Roll the cookies in powdered sugar while still warm.
Cool completely, then roll them in powdered sugar a second time for their signature 'snowy' look.
Variations
Russian Tea Cakes vs Mexican Wedding Cookies Core Recipe: Butter, flour, powdered sugar, nuts, vanilla. Same core ingredients. Texture - Both described as melt-in-your-mouth and tender.
Russian Tea Cakes: Traditionally made with walnuts, but pecans or almonds walnuts are also used. Variations: Some recipes might use almond extract instead of vanilla. Mexican Wedding Cookies: Most commonly use finely chopped pecans, walnuts may also be used. Variations: A pinch of cinnamon may be added to the cookie dough or the powdered sugar coating in some recipes.