how to make pesto
Classic Pesto Place 4 cups loosely packed basil leaves, 1/2 cup grated Parmesan cheese, 2 garlic cloves, halved, 1/4 tsp. salt in a food processor; cover and pulse until chopped. Add 1/2 cup toasted pine nuts; cover and process until blended. While processing, gradually add 1/2 cup olive oil in a steady stream.