1. Blend buffer and liver until finely pureed
  2. Pass the mixture slowly through a double thickness of coffee filters and into the cylinder or flask.
  3. Add 10 mL of soap, swirl to ensure it’s mixed.
  4. Carefully but quickly add the hydrogen peroxide.

Stand back and watch it foam!

For further understanding of this experiment or additional experiments to try out, check out these cool links!  (MSDS for H2O2)