In a sauce pan, combine ketchup, honey, molasses, and liquid smoke.
Heat the saucepan over medium low and let the sauce simmer for about 1 hour. If not used the same day, store in the refrigerator in an airtight container.
Notes
How to store itThis barbecue sauce can be stored in the refrigerator in an airtight container. It's a great sauce to have on hand when you're cooking and this will keep it fresh.How long does it lastHomemade barbecue sauce will last for up to 1 week in the fridge. It won't stay for much longer than that because it is not pasteurized.