In an extra-large nonstick skillet heat 1 tablespoon of the oil over medium heat. Add pine nuts; cook and stir for 3 to 5 minutes or until golden. Transfer to a serving bowl.
Add another 1 tablespoon of the oil to skillet; heat over medium heat. Add one-third of the raisins and one-third of the garlic. Add one-third of the spinach. Cook for 1 to 2 minutes or until spinach begins to wilt, tossing constantly. Transfer to serving bowl. Repeat two more times with the remaining oil, raisins, garlic, and spinach.
Add lemon peel, lemon juice, salt, and pepper to spinach mixture; toss gently to coat.