Remove cookie sheet from oven; carefully slide 1 parchment sheet with crackers onto hot cookie sheet. Bake 4 to 5 minutes or until edges are deep golden brown. Carefully slide parchment and crackers from cookie sheet to cooling rack. Sprinkle each cracker with about 1/4 teaspoon of the remaining Parmesan cheese. Repeat with remaining crackers. Serve warm or cool. If desired, break crackers into smaller pieces to serve. Store in airtight container.