How To make Il Pesto

1/4 lb Pig's liver
2 tb Butter
1 ts Chives; chopped
1/2 c Cheese, sharp white;
-grated 2 c Basil, fresh
2 Garlic cloves
1/4 c Black walnuts
1 ts Salt
1/2 ts Pepper; black
3/4 c Olive oil
Saut