The main ingredients of Irn-Bru are  yeast . Irn-Bru is a Carbonated soft drink,Bread roll . Switzerland is the country of origin . The food comes in orange . Several variants of this food are Irn-Bru sugar free,Lemon,Caffeine-Free Diet Coke . coca-cola cherry are related to it . Irn-Bru is 47% by volume of alcohol . Irn-Bru was introduced in 1975 . Irn-Bru is manufactured by Rémy Cointreau
 Spätzle is not sufficient for making it