LIN:
Pesto is basicly a blend or mixture of:(and of course Italian)
Olive oil, maybe pine nuts(pignolias) fresh chopped basil leaves, garlic, fresh grated Parmesan and or Romano cheese.

And is tossed with or into cooked pasta, added to soups or salads or mix it with a little butter and serve over steamed veggies, poached fish or omelets.

SP