The Oude Groseille à Maquereau Verte Tilquin à l'Ancienne is a spontaneous fermentation beer obtained from the fermentation of frozen green gooseberries in young lambics, blended with 1, 2 and 3 years lambic to reach a final concentration of fruits of 260 grams per liter. Unfiltered and unpasteurized, this beer is refermented in the bottle. Ingredients: water, malt, wheat, hops, gooseberries.