Elderflower liqueur is a secret ingredient that elevates any cocktail, but not everyone has a bottle of St-Germain lying around. In this video, I’ll finally show you how to make elderflower liqueur at home using dried elderflowers — rich, aromatic, and much cheaper than store-bought versions. Then, I'll make some cocktails with it: Elderflower Gin & Tonic, Elderflower Old Fashioned, and the original cocktail Grandma Martina.