Potato Chip Brownies

Yield:	12 Servings
Categories:	Chocolate, Brownies

2/3	c	Flour
1/2	ts	Baking powder
1/4	ts	Salt
1/3	c	Butter
2		Eggs; well beaten
2		Unsweetened chocolate square
1	c	Sugar
1	ts	Vanilla
3/4	c	Potato chips; crushed