Preheat oven to 400 degrees F. Cut bread into 1/2-inch-thick slices. Rub bread slices, on both sides, with cut sides of garlic. Cut bread into 1/2-inch cubes; place in jelly-roll pan. Spray bread liberally with cooking spray. Bake 10 minutes or until golden-brown and crisp. Cool croutons in pan. Meanwhile, in large salad bowl, with wire whisk, mix together mayonnaise, Parmesan, lemon juice, olive oil, anchovy paste, and 1/4 teaspoon pepper. Add lettuce and croutons to dressing in bowl; toss to coat.