Beef Stroganoff Meatballs

Ingredients (18)

• 1 large egg
• 1/4 cup milk
• 1/4 cup finely chopped onion
• 2 teaspoons Worcestershire sauce
• 1-1/2 cups soft bread crumbs
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 1-1/2 pounds ground beef
• SAUCE:
• 1-1/2 cups sliced fresh mushrooms
• 1/2 cup chopped onion
• 1/4 cup butter
• 4 tablespoons all-purpose flour, divided
• 1/4 teaspoon salt
• 1-1/2 cups beef broth
• 1 cup sour cream
• Hot cooked noodles
• Paprika, optional