This is very good on a green salad with tomatoes.
1/4 cup balsamic or red wine vinegar
1 tsp dijon mustard,
1 clove garlic diced finely
1/4 tsp salt
fresh ground black pepper
Big handful of chopped fresh basil & fresh oregano; sub dry herbs if you don't have fresh.
(1 tsp dry basil)
(1 tsp dry marjarom or oregano)
3/4 cup olive oil
Mix all together, taste & correct seasonings