An authentic pesto

MMMMM----- Recipe via Meal-Master (tm) v8.04
 
       Title: An Authentic Pesto
  Categories: Sauces
       Yield: 1 servings
 
      12    Walnuts, shelled
       2 tb Pine nuts
       1 ts Coarse salt
       4    (or 5) black peppercorns
       3    Garlic clove(s)
       4 tb Butter
       3 c  Basil leaves
       4 oz Grated Parmesan cheese
       4 oz Grated Romano cheese
            -or added Parmesan cheese
   1 1/2 c  Olive oil
 
   Place all ingredients except 1 cup black peppercorns in food
   processor and grind very fine. Add remaining olive oil and blend a
   few seconds until very smooth.
 
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