2 cups fresh basil (packed)
1/3 cup pine nuts (but I usually replace these with walnuts)
4 cloves of garlic
Put all of these in a food processor.
Once blended well slowly drizzle in
1/2 olive oil while the processor is on.
Most pestos include parmesan cheese which
could be added if desired (about 1/2 cup)
salt and pepper to taste