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In a large, heavy-bottomed pot, combine the 8 cups of water, 5 cups of granulated sugar, 10 tablespoons of instant coffee, and 1/2 cup of Karo syrup. Stir well to combine all ingredients.

Bring the mixture to a rolling boil over medium-high heat, stirring occasionally to ensure the sugar dissolves completely.

Once boiling, immediately reduce the heat to a low simmer. Continue to simmer for three hours, stirring occasionally to prevent it from boiling over and becoming sticky. Maintain a gentle simmer throughout this period.

After simmering for three hours, remove the pot from the heat and allow the mixture to cool completely to room temperature. This can take several hours.

Once the mixture has cooled completely, stir in the 5 tablespoons of vanilla extract.

Add the 8 cups of vodka to the cooled mixture and stir thoroughly to incorporate.

Carefully bottle the finished Kahlua. It is recommended to perform this step in a sink to manage any potential mess. Use a funnel and a ladle to transfer the Kahlua into clean bottles.


In a large, heavy-bottomed pot, combine the 8 cups of water, 5 cups of granulated sugar, 10 tablespoons of instant coffee, and 1/2 cup of Karo syrup. Stir well to combine all ingredients.

Bring the mixture to a rolling boil over medium-high heat, stirring occasionally to ensure the sugar dissolves completely.

Once boiling, immediately reduce the heat to a low simmer. Continue to simmer for three hours, stirring occasionally to prevent it from boiling over and becoming sticky. Maintain a gentle simmer throughout this period.

After simmering for three hours, remove the pot from the heat and allow the mixture to cool completely to room temperature. This can take several hours.

Once the mixture has cooled completely, stir in the 5 tablespoons of vanilla extract.

Add the 8 cups of vodka to the cooled mixture and stir thoroughly to incorporate.

Carefully bottle the finished Kahlua. It is recommended to perform this step in a sink to manage any potential mess. Use a funnel and a ladle to transfer the Kahlua into clean bottles.
