Cocktail sauce - no sugar added

6 oz (approx 3/4 cup) tomato paste
2 Tablespoons apple cider vinegar
3/4 teaspoons salt
3/4 teaspoons granulated garlic (if using powder, use 3/8 tsp)
3/4 teaspoons granulated onion (if using powder, use 3/8 tsp)
3/16 teaspoon allspice
1/16 teaspoon cayenne pepper
1/3 cup water
Horseradish to taste