In a small saucepan, combine all ingredients over low-medium heat. Don't leave the stove and whisk ingredients together as they melt.
Whisk gently over low-medium heat for at least 2 minutes. You don't want the mixture to boil but you do want it hot enough to dissolve the brown sugar, honey, and salt. Keep mixing gently so the sugar doesn't burn on the bottom.
Once all ingredients are dissolved together, remove saucepan from heat. Allow the syrup to mostly cool in the pan.
Once mostly cool, pour the syrup into a glass jar or bottle for storage. Allow to completely finish cooling on the counter top before storing in the fridge.
When ready to use, shake the bottle or jar of syrup, pour into your beverage, and enjoy!