In a small saucepan, add all your ingredients and mix until combined.
On medium heat, warm up the saucepan and its contents. Once it begins to simmer, reduce the heat to low and stir constantly for 5 minutes. Taste the sauce and add either more sweetener or more salt, depending on taste.
Remove the saucepan from the heat and let cool completely.
TO STORE: Keto ketchup must always be stored in the refrigerator, as it contains to added preservatives to keep it safe at room temperature. It will keep well for up to 1 month.TO FREEZE: Place the ketchup in a freezer friendly container and store in the freezer for up to 2 months. Thaw overnight in the refrigerator and give it a mix before enjoying it.