Combine water, dark brown sugar, and molasses in a small saucepan and stir to combine.
Bring the mixture to a boil, stirring often.
Once boiling, lower the heat to medium low, and add in the ground ginger, ground cinnamon, ground nutmeg, and ground cloves.
Stir to combine, and then let the mixture simmer for 10 minutes.
Remove the mixture from the heat, add in the salt and butter extract, and stir to combine.
Let the Homemade Gingerbread Syrup cool completely before transferring to an airtight container, and store in the fridge for up to two weeks.