Measure the onion powder, basil, oregano and red pepper flakes into a small bowl. Chop the parsley and add it to the bowl. Open the can of tomato sauce.
Pour the olive oil into a small sauce pan and add the pressed garlic. Turn the heat to medium and cook until the garlic is fragrant and loses its raw smell.
Pour the tomato sauce into the pan and add the chopped parsley and dried seasonings. Add half of the sweetener and taste, adding the rest if needed. Simmer about 5 minutes or until the sauce darkens slightly and no longer smells raw.
Cool and store in an airtight container for up to 5 days or freeze until needed. Thaw in the refrigerator.
Makes 1 cup of sauce with 8, 2-tbsp servings at 1.25 NET CARBS PER SERVING.