Empanadas de Carne (or Vegetarianas)

Name: Empanadas de Carne (or Vegetarianas)
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: American, Latin American
Ingredients: 1 egg (to brush dough); 2 oz (60 ml) of olive oil; ½ lb (250 g) ground beef*; ½ yellow or white onion, finely chopped; ½ red pepper, finely chopped; 1 scallion, finely chopped; 1 tablespoons tomato paste; 1 teaspoon paprika; 1 cup (230 ml) water, red wine, or beef stock; salt & pepper to taste; ½ cup (120 ml) water; 2 tablespoons butter; 1 tsp salt; 1 ½ cups (200 g) all-purpose flour; 2 tablespoons dried oregano; 2 tablespoons chili powder; 2 garlic cloves; 2 tablespoons dried parsley; 2 oz (60 ml) olive oil or vegetable oil; 2 tablespoons white or red vinegar; salt & pepper to taste; ½ lb (250 g) fresh or dried mushrooms rehydrated in warm water or 1 cauliflower; medium size saucepan; small pot; baking tray; oven; knife and spoons; cutting board; rolling pin