Shrimp king solution
Instructions:
1. Place cold-ron on table
2. Light one of Dr Filibuster's fireworks under the table for quick wandless cooking
3. Pour a little of everything you see Hermione using into cold-ron
4. Mix thoroughly and wait
5. Potion is ready when it congeals, cold-ron explodes and Professor Snape scolds
6. Potion is generally not fit for human consumption