Place all ingredients except oil in a food processor, and process until slightly smooth. Slowly add oil to the mixture while the processor is on.
Serve with bread, or toss with pasta, or in a sandwich.

3/4 cup pine nut, pistachio, walnut, or hemp seed
1 large bunch fresh sweet or Italian basil, leaves
4 cloves garlic, skin off
1/2 teaspoon salt
3/4 cup olive oil
optional:
1/4 cup nutritional yeast
1/2 teaspoon ground black pepper