2 (18½ ounce) packages white chocolate, divided
Line 10×15-inch jellyroll pan with waxed paper. Coat paper with nonstick cooking spray; set aside. Break half of cookies into coarse pieces and place in large bowl. In microwave-safe bowl, melt one package of white chocolate in microwave. Quickly fold melted chocolate into broken cookie pieces. Pour mixture into prepared pan and spread to cover half of pan. Repeat process with remaining chocolate and cookies. Refrigerate until solid. Remove from pan and carefully peel off waxed paper. Place bark on large cutting board and cut into pieces with a large knife. Store in airtight container.