12 oz tomato paste
12 oz water
6 oz vinegar
5 packets equal or other equiv. low carb sweetener
1 teaspoon onion powder
pinch of cloves, cumin, or other spice to taste

Instructions
Dissolve sweetener in water then add remaining ingredients. Blend until combined.

Carbs:
Recipe says 54 carb grams in entire recipe. 1 gram per tablespoon (about 1/4 of what Heinz has)