Black Olives Filled Turkish Pastries

Those pastries from my friend Selvi. Thanks again Selvi, they were very satisfying! Ingredients: 1 egg 1 cup whole milk 1 tsp salt 2 tbsp sugar 3.5-4 cups all purpose flour 2 tsp dry active yeast ½ cup olive oil for filling: 1 cup pitted black olives sliced For topping 1 egg yolk Sesame seed…