Bottling cream-based salad dressing. Preservative advice?

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I would like to bottle my home made salad dressing that is mayo- and cream-based. I was wondering what kind of preservatives I could use to lengthen shelf life. Also, I am using garlic powder as an ingredient. Are there any problems using garlic powder with mayo?
Best Answer
Switch out the cream. Mayo is stable, cream is not. Yogurt as a replacement may give you a slight extension (higher pH).
There's no issue using garlic powder.
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How do you preserve salad dressing?
The best way to store salad dressing is the same as storing any leftover food: in a container with a lid with as much air removed as possible and stored in the refrigerator. Just like eggs, it's best if these are stored not on the refrigerator door, but on the shelf where it's colder.How long can I store homemade salad dressing?
Generally, vinaigrettes can be kept refrigerated for up to 2 weeks. Dairy-based dressings, like buttermilk, and dressings made with fresh ingredients, like chopped onion, fresh herbs, tomato sauce and chopped hard-boiled egg, will keep up to 1 week.How Long Will homemade oil and vinegar dressing last?
Vinegar based homemade dressings should last for three to four weeks at a minimum if they consist of oil, vinegar and spices. eIf they also contain fresh ingredients, then the time is shortened according to that ingredient.OIL FREE VEGAN SALAD DRESSING RECIPE » strawberry vinaigrette salad dressing
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