Pesto Sauce for Pasta

Yield:	8 Servings
Categories:	Sauces, Pasta

2	c	Packed fresh basil leaves
6		Garlic cloves; peeled
1/2	ts	Salt
1/4	c	Pine nuts
1/2	c	Extra-virgin olive oil
3	tb	Unsalted butter; softened
1/3	c	Freshly grated parmesan cheese
		Cooked pasta