Cream the butter until light.
Add sugar, 1/4 cup at a time. Beat well with each addition.
Beat the eggs and vanilla together until thick. Gradually add the egg mixture to the butter and sugar and mix thoroughly.
Sift the flour and salt together and fold into batter.
Chill dough for 4 - 6 hours in refrigerator. Take out and let stand for one hour. Shape cookies with a spoon into 1 inch circles or ovals and add to baking sheet.
Bake at 375 - 400 degrees for 10 minutes. Transfer to cooling rack and repeat until all dough has been baked.
Melt chocolate in double boiler for dipping. Dip cooled cookie in melted chocolate, add sprinkles and let cool.