In bowl, beat whites and vanilla till soft peaks form. Gradually add sugar, about 2 Tbsp. at a time, beating till stiff peaks form. Gently fold in cocoa
Place in a pastry bag with a big star tip (#8b)
Line baking sheets with foil and spray with cooking spray. Pipe stars about 1 1/4 inch in diameter onto foil or drop by rounded teaspoon
Bake 300° for 30-35 minutes till lightly browned
Remove from foil, cool on wire rack
In microwave or double boiler, melt chocolate and shortening and stir till smooth. Dip the cookies halfway into the glaze and place on waxed paper to harden
Makes about 4 dozenRecipe submitted by florentine on 12/8/97