Step 1

In a medium saucepan, combine the ketchup, vinegar, water, brown sugar, tamari, mustard, garlic powder, cumin, onion powder, and smoked paprika.

Step 2

Bring to a simmer over medium heat, then reduce the heat to low and simmer, stirring often, for 20 minutes, or until thickened. Season to taste and store in the refrigerator for up to 2 weeks.