Aerating agents Freezing and nitro Liquid nitrogen Recipes Siphon foams: cold, hot, boiled Horchata foam Nitro biscuits April 28, 2023May 2, 2023 0 Comments 500 gr horchata 50 gr SpmC Cold Espuma q/s lemon zest q/s cinnamon powder Blend SpmC together with the horchata to hydrate completely.Pour the mixture into a siphon and charge with two cylinders.Fill Salva G-mini with liquid nitrogen and wait for the surface to cool completely.Pipe points of horchata foam onto the frozen surface, sprinkle with cinnamon powder, add lemon zest and finish with a Nitro Relief engraver.