This is a Low Carb Ketchup recipe
3 cups canned tomatoes, pureed
2 pgs sweetener
2 tsp. onion powder
1/2 tsp. ground cloves
1/2 tsp. allspice
1/2 tsp. cinnamon
1/2 cup white vinegar
Combine everything except the sweetener into a medium saucepan. Simmer for one and a half hours, stirring...