Stuff each date with walnut half. Press to hold shape.
Cream butter and sugar. Beat in eggs, sour cream and vanilla extract. Stir in
dry ingredients. Add stuffed dates, using a teaspoon to dip out batter-covered dates.
Place on baking sheet, and bake at 400 degrees F for 8 to 10 minutes. Cool.
Frost with Butter Frosting: Heat and brown 1 stick butter. Do not burn. Stir
in 2 cups confectioners' sugar mixed with 1/2 cup flour. Add 1 teaspoon vanilla
extract. Add hot water to spreading consistency.