Acorns

Yield:	16 Servings
Categories:	Cookies

1/3	c	Butter; no substitutes
1/3	c	Sugar
1/2	ts	Baking soda
1		Egg yolk
1 1/2	ts	Vanilla
1	c	All-purpose flour
3	oz	Semisweet chocolate
1	ts	Shortening
		Strawberry jam or hazelnut butter
		Pretzel twists; broken, optional