Ontario Beef Rouladen

Directions

1. 1
   Preheat oven to 325 degrees F (165 degrees C).
2. 2
   Heat 1 tablespoon butter over medium heat in a large frying pan; stir in 1 onion and saute until softened, about 5 minutes.
3. 3
   Set aside to cool slightly.
4. 4
   Stir pork, ground beef, bread crumbs, salt, and pepper together in a bowl; stir in onion.
5. 5
   Pour beaten eggs over meat mixture; mix with your hands until well combined.
6. 6
   Spread about 1 1/2 tablespoons of meat mixture onto each beef slice; top each with one pickle quarter.
7. 7
   Roll beef slices around filling; secure each roll with a toothpick.
8. 8
   Heat 2 tablespoons butter in the same frying pan; place rolls into pan and brown on all sides, about 10 minutes.
9. 9
   Remove rolls; place in a single layer in a roasting pan.
10. 10
    Heat remaining 2 tablespoons butter in the same frying pan over medium heat; cook and stir remaining onion, celery, carrots, and garlic until vegetables are soft, about 10 minutes.
11. 11
    Stir in 3 cups water, tomato paste, sherry, bouillon granules, and bay leaf; bring to a boil.
12. 12
    Pour sauce over rolls in roasting pan.
13. 13
    Bake in the preheated oven until tender, about 3 hours; remove from oven to turn rolls over halfway through the cooking time.
14. 14
    Remove rolls to a heated platter.
15. 15
    Place roasting pan with sauce on the stove; bring to a boil.
16. 16
    Whisk cornstarch and 1/3 cup water together in a cup; slowly whisk cornstarch mixture into sauce until thickened, about 5 minutes.
17. 17
    Drizzle some sauce over the rouladen; serve the remaining sauce in a gravy boat.