Steak Pie Recipe

Ingredients

• 1 tablespoon vegetable oil
• 1 pound cubed beef stew meat
• 1 large onion, chopped
• 1 (1 ounce) package dry mushroom gravy mix
• 1 cup water
• 1 teaspoon Worcestershire sauce
• 1 pinch salt and pepper to taste
• 1 sheet frozen puff pastry, thawed
• 1 egg
• 1 tablespoon water