The Liquid Olive by Ferran Adrià

Mix sodium alginate with water using an immersion blender and let it rest in the fridge for 24 hours to remove air bubbles. Mix olive juice with calcium with a blender and let it rest in the fridge for 24 hours. Scoop olive mixture with a circular spoon and place in alginate bath, let it “cook” for 2.5 minutes. Remove sphere from alginate bath and rinse with water, then place in olive oil. Let it rest in the fridge for 12 hours to firm up.