In this episode, test cook Keith Dresser shows host Bridget Lancaster how to make Albondigas en Salsa Almendras (Spanish-Style Meatballs in Almond Sauce). Science expert Dan Souza reveals the science behind energy transference in liquids. Equipment expert Adam Ried reviews meat pounders. Test cook Becky Hays shows host Julia Collin Davison how to make Espinacas Con Garbanzos (Andalusian Spinach and Chickpeas).