INGREDIENTS
1 tbsp
red wine vinegar
1 tbsp
extra-virgin olive oil
1 tbsp
finely chopped fresh oregano
1 tsp
Dijon mustard
1/4 tsp
salt, plus more to taste
Freshly ground pepper
4 cups
peeled chopped cucumbers
1 cup
halved cherry tomatoes
1/2 cup
mixed olives, pitted if desired
1/2 cup
thinly sliced red onion
2 oz
crumbed feta cheese
2 tbsp
chopped fresh basil