Caroenum is a Roman liquid sweetener made by simmering grape must until it has been reduced by 1/3 of its original volume.
Nowadays, substitutes are made in various ways.
You may wish to compare Defritum, Caroenum and Sapa.
Reduce 500 ml of wine to 200ml. Add 2 tbsp honey, and salt to taste. Note: honey is not original to the manufacture of this ingredient. It's used to compensate for having started with wine, which is less sweet than must.
Grape SyrupCaroenum; Defritum; Grape Syrup; Passum; Sapa; Wine Syrup
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