Pesto Sauce - cooking recipe

Ingredients

4 c. fresh basil leaves
4 to 6 Tbsp. pine nuts or walnuts (optional)
1 c. olive oil
2/3 c. grated Parmesan
salt and pepper to taste

Preparation

Combine all ingredients in container of food processor or blender and process, turning on and off until sauce is formed with small bits of basil still visible.