What coffee liqueurs have the most caffeine?
                                
                                
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                                    4 min read                                
                            
                                With approximately 1,100 mg of caffeine per liter, Mr. Black Cold Brew Liqueur stands out as a leader for high-caffeine content among coffee liqueurs. This Australian-born brand intentionally produces a potent brew designed for coffee connoisseurs and bartenders seeking a strong, authentic coffee flavor.