Chicken Burgers with Mustard Sauce

• 3 tablespoons dijon mustard
• 1 tablespoon english mustard
• 1 tablespoon vegetable oil
• 1/2 each onions chopped
• 1/2 each celery stalks
• 1/4 cup white wine vinegar
• 2 cups brown stock
• 1 1/2 teaspoons black pepper crushed
• 1 dash salt
• 1 dash worcestershire sauce
• 4 each chicken breast halves, boneless, skinless or 1 chicken, boned and skinned
• 1 pound veal lean
• 1 tablespoon parsley leaves chopped
• 1 1/2 teaspoons salt
• 1/2 teaspoon white pepper
• 1 dash worcestershire sauce
• 3 red hot pepper sauce
• 2 slices bread, white
• 1/4 cup milk hot
• 1 each eggs
• 2 tablespoons vegetable oil
• 1 medium onions sliced
• 1/4 pound mushrooms sliced
• 1 each bay leaves
• 1 dash thyme fresh
• 1 cup bread crumbs dried
• 1/4 cup butter

1. Mix mustards.
2. Heat 1 tablespoon oil.
3. Add chopped onion and celery and saute until tender.
4. Add vinegar and reduce by half.
5. Stir in mustard mixture and brown stock.
6. Cook 30 minutes.
7. Add black pepper, dash salt and Worcestershire sauce.
8. Strain into sauceboat.
9. To make burgers, grind chicken and veal together.
10. Stir in parsley, 1 1/2 teaspoons salt, white pepper, Worcestershire and hot pepper sauce.
11. Soak bread in milk and add to meat mixture along with egg, mixing well.
12. Heat 2 tablespoons oil, add sliced onion and cook until barely tender.
13. Add mushrooms, bay leaf and thyme.
14. Saute until liquid has evaporated.
15. Remove bay leaf.
16. Add mushroom mixture to meat mixture.
17. Combine, stirring 2 to 4 minutes or combine in food processor until almost smooth.
18. Form into patties and coat with bread crumbs.
19. Melt butter in large skillet and add patties.
20. Cook until browned on both sides, then remove from skillet.
21. When ready to serve, place browned patties in baking pan and bake at 375F (190C)ahrenheit for 10 minutes to crisp.
22. Serve with mustard sauce.

dijon mustard, english mustard, vegetable oil, onions, celery stalks, white wine vinegar, brown stock, black pepper, salt, worcestershire sauce, chicken breast halves, veal lean, parsley, salt, white pepper, worcestershire sauce, red hot pepper sauce, bread, milk, eggs, vegetable oil, onions, mushrooms, bay leaves, thyme, bread crumbs dried, butter

Taken from recipeland.com/recipe/v/chicken-burgers-mustard-sauce-33884 (may not work)