…shake up a fruity vinaigrette instead. Add equal parts oil and vinegar to the jar, give it a good shake, and season with salt and pepper to taste.
—Marisa McClellan, of Food in Jars
https://www.womenshealthmag.com/food/a19982068/cooking-tips/
Don’t throw out those last drips of jam in the jar;
The Purple Almond Kitchen 