This Parmesan Spinach Dip Crostini is such a classy and unique appetizer to serve at your next party. Spinach Dip is loved by all, and now you don't need the chips to enjoy! Warm Parmesan Spinach Dip piled onto toasty French Bread is the ultimate in bruschetta recipes. This is one of our favorite game day or holiday recipes to make in a pinch.