Loading... Please wait...Elsa Riserva - Invecchiato. Elsa Riserva balsamic is made using a 20 year old mother nust and is aged for more than three years in small wood barrels. A special and distinctive balsamic, with perceptible flavours of wood and cooked grape must and well balanced with delicate acid. Ideal added as a final touch to hot dishes or stirred into sauces for an intense flavour. Delicious with strawberries.