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Natural preservative for cream cheese tomato dipWithout knowing the ingredients in the dip it's hard to advise on what to use. If you are using fresh tomatoes in the dip, refrigerating will diminish the tomato flavor. You might try adding a teaspoon of sugar which does boost the natural sweetness and flavor of the tomato. Sugar is also a preservative. Mix the sugar with the tomatoes before adding to the recipe.

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