Samosa from Scratch

Name: Samosa from Scratch
Prep time: 20 min
Cook time: 7 min
Total time: 27 min
Cuisine: Mediterranean
Ingredients: 2 cups all-purpose flour; 1/4 cup melted butter or Ghee (room temperature ); 2 tablespoons cornstarch; 1/2 teaspoon baking powder; 1 teaspoon salt; 1 tablespoon white vinegar; 1/2 + 2 cup + tablespoons water – room temperature; 500 g (1.1 pounds) ground beef; 1/4 cup onion, chopped; 1/4 cup Italian parsley, chopped; 1-2 teaspoon seven spices; 1/2 teaspoon black pepper; 1/2 teaspoon coriander