Beat cream cheese, powdered sugar and vanilla.
Mix in raspberries.
Add cool whip and food coloring if using.
Add graham cracker crumbs.
Line a tray with parchment paper and scoop batter into ball shapes onto parchment.
Freeze 2 hours or until solid.
Melt the chocolates gently in the microwave at 50% power until smooth.
Dip truffles and return them to the parchment.
Drizzle extra chocolate across the tops.
Keep in the fridge!