Ingredients

2 cups packed fresh basil leaves

1/4 cup toasted walnut pieces

1/4 cup grated parmigiano-reggiano cheese

3 Tbsp extra-virgin olive oil

2 Tbsp water

1 large clove garlic, quartered

1/2 tsp salt

1/2 tsp freshly ground pepper

Preparation

Place all ingredients in a food processor; pulse a few times, then process until fairly smooth, or to the desired consistency, scraping down the sides occasionally.