Crock Pot Beef Stroganoff

Bahan-bahan (8 porsi)

• 1 tablespoon olive oil (more if needed)
• 2 pounds beef chuck roast (or stewing beef, trimmed)
• ½ teaspoon salt and black pepper (more to taste)
• ½ cup red wine
• 1 teaspoon garlic powder
• 1 medium yellow onion (diced)
• 1 tablespoon Dijon mustard
• 1 tablespoon Worcestershire sauce
• 12 ounces mushrooms (sliced, white or cremini)
• 2 cups beef broth (divided)
• 8 ounces sour cream
• 3 tablespoons cornstarch
• 12 ounces egg noodles (cooked)