My mother does a really basic vinagrette--2x olive oil per 1 unit red wine vinegar (so, 1/2 c oil for 1/4 c vinegar), a teaspoon of Grey Poupon Dijon mustard, some salt and pepper, mix it together. You can add whatever dried herbs you wish; for example, when I'm making a coleslaw, I add a teaspoon or two of caraway seed and let it sit for a while so the flavor soaks in. You can vary the proportions of oil and vinegar if you wish.
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My mother does a really basic vinagrette--2x olive oil per 1 unit red wine vinegar (so, 1/2 c oil for 1/4 c vinegar), a teaspoon of Grey Poupon Dijon mustard, some salt and pepper, mix it together. You can add whatever dried herbs you wish; for example, when I'm making a coleslaw, I add a teaspoon or two of caraway seed and let it sit for a while so the flavor soaks in. You can vary the proportions of oil and vinegar if you wish.