Saute garlic in hot oil. Add pesto sauce ingredients except parmesan cheese. Cook till thickened and bubbly. Reduce heat and stir in grated parmesan cheese. Add salt and pepper to taste. Toss cooked pasta and canned tuna or crab meat with hot pesto sauce. Transfer to serving dish and top with pine nuts and grated parmesan cheese. You can substitute canned tuna or crab with chunks of fried chicken, vienna sausage or cooked Italian sausages.