Mix all ingredients in a saucepan on medium heat, stirring constantly, until it begins to boil. Lower heat to low and simmer for 30 minutes. Stir occasionally to make sure bottom does not burn.
1-1/2 cups homemade ketchup, 1 cup water, 1/4 cup apple cider vinegar, 3 tablespoons olive oil, 2 tablespoons mustard, 1/4 cup brown sugar, 3 tablespoons molasses, 2 tablespoons paprika, 1/2 teaspoon cayenne pepper, 1 teaspoons black pepper, 2 garlic cloves, 2 tablespoons onion powder, 1 tablespoon lemon juice, 1/4 teaspoon salt
Process in jars so that they are sealed. Or pour into jars and refrigerate or freeze, leaving a 1in gap at the top.