Easy Croatian Burek Recipe

Name: Easy Croatian Burek Recipe
Cuisine: European, Eastern European
Ingredients: 500g all-purpose flour (3.5 cups); 1 teaspoon of salt; 300-350mls lukewarm water (1 1/4 - 1 1/2 cups); Vegetable oil; 150 g cottage cheese (2/3 cup); 100 g crumbled feta cheese (2/3 cup); 1 large beaten egg; 1 tablespoon of olive oil; 1 medium, diced onion; 300 g lean beef mince (10 oz); 1 potato, boiled cut into small cubes; 2 grated garlic cloves; Half teaspoon chopped rosemary, fresh is best; Half tablespoon smoked paprika; Half tablespoon salt