Line a baking sheet with parchment paper
Melt the 16 ounces of semi sweet chocolate in the microwave or over a double boiler until smooth
Pour chocolate onto prepared pan and using an off set spatula spread to an even 1/4 inch thickness. Refrigerate until set, about 30 minutes
Melt the white chocolate in the microwave or over a double boiler until smooth
Gently fold in chopped cranberries and cocoa krispies
Pour the white chocolate mixture over the cold semi sweet chocolate and quickly smooth it on top with a off set spatula. Sprinkle with the whole cranberries, pressing gently so they stick, then sprinkle red decorators sugar over. Refrigerate until set, another 30 minutes
Remove from refigerator and drizzle the 4 ounces of melted semi sweet chocolate over bark. Return again to refrigerator and chill at least 4 hours before breaking into bars. Store in the refigerator or freeze for longer storage
