My favourite Beef Empanadas - a Costa Rican Recipe

Name: My favourite Beef Empanadas - a Costa Rican Recipe
Cuisine: Latin American, American
Ingredients: 400g flour; 1/2 teaspoon kosher salt; 2 tsp tumeric or 1 tbsp curry powder; 1 cup cold butter, cut into small pieces (226 g); 3/4 cup cold water; 1 tablespoon distilled white vinegar; 1 egg, lightly whisked; 1 bay leave; 2 tbsp fresh chopped thyme (4 sprigs); 125 ml beef broth; 1 scotch bonnet chili, finely minced; 2 Tbsp worcester sauce + 2 Tbsp BBQ Sauce; salt and pepper to taste; 1 egg mixed with 2 tbsp water for eggwash