Disclaimer: I have no idea if these are remotely Russian in any way. I do know they're wonderful with tea & coffee.
Posted at moomies' request
1 cup butter
4 tablespoons confectioner's sugar
1 teaspoon vanilla (adjust if extract)
2 cups flour
1 cup chopped nuts
Cream butter, add sugar & beat until light. Add vanilla & mix. Add flour & mix well. Add nuts - fold & mix in. Shape into balls. Bake on ungreased cookie sheet at 350 degrees for 15 - 18 minutes. Roll in confectioner's sugar after removing from oven. Roll again.
Best after sitting a few days to develop flavor.