Melt butter and let cool

Beat melted butter, eggs, sugar and vanilla until well blended

Combine flour, baking powder and salt in a bowl

Add flour mixture to butter/egg mixture. Mix until almost combined

Add warm water and continue mixing until smooth

Place on a floured board

Make a ball slightly smaller then the size of a golf ball

Roll balls into "snake" approx 4" long

Cross the snake ends one over the other and tie a knot with them

Place on ungreased cookie sheet

Back at 350 for 15-17 minutes (bottoms should be just slightly brown)

Let cool completely

Mix all ingredients adding water until the right consistency. Should be thicker but slightly drippy.

Dip top of cookies into icing and set on waxpaper

While the icing is still wet, sprinkle with nonpareils

Let icing dry until hardened before storing or serving