For this recipe, you need 750 milliliters of rum plus 8 ounces of sugar per pound of mixed fruit you choose. We made a 3-gallon recipe that makes 25 servings, but the end result depends on how much fruit, sugar, and rum added into the jar. Thus, we don't give set amounts of fruit, but just recommended types to make the best rumtopf. Be mindful that the more fruit you add, the more sugar and rum you need to add as well to keep the fruit submerged and the fruity flavors developing. Enjoy this classic marinated fruit on pound cake, , , , or . Be mindful that as a very boozy recipe, this is not meant to be served to kids or people who need to abstain from alcohol consumption., So I am detailing out How to make German Rumtopf as I go along so you won’t have to repeat my errors or make any of your own. I’ll keep you posted on how it goes, and hopefully will have the ultimate Rumtopf guide on How to Make German Rumtopf by the time I’m finished., This traditional German rum pot recipe or rumtopf recipe explains how to make a Rumtopf step-by-step. The right fruits, rum, uses, and more.