1 1/2 cups warm water
1/2 teaspoon dry yeast
4 cups all-purpose flour
2 tablespoons green olive oil, plus more for brushing
Salt and pepper
2 cucumbers, peeled and coarsely grated
8 ounces plain yogurt, drained through a strainer lined with cheesecloth for 1 hour
4 cloves garlic, finely chopped
1/2 teaspoon ground cumin
2 tablespoons chopped fresh dill
Salt and freshly ground pepper
Dill sprigs