Grilled Burgers with Hoisin-Stout Beer Sauce

Directions:

1. Make burgers by gently kneading together ground beef, 1 tbsp hoisin sauce, 1 clove minced garlic, salt and pepper. Form into 4 patties.
2. Light grill to medium.
3. Light side burner.
4. In small saucepan, warm sesame oil over low heat.
5. Stir in 2 cloves minced garlic and onion pieces; cook until aromatic, about 2 minutes.
6. Stir in 3 tbsp hoisin sauce, soy sauce and Stout Beer.
7. In small bowl, dissolve cornstarch in rice wine vinegar; stir into Beer sauce.
8. Increase heat to medium; bring sauce to a simmer.;
9. Let bubble for about 2 minutes until well thickened.
10. Set aside until ready to serve.
11. Place burgers on the grill.
12. Cook burgers until to desired doneness.
13. Place burgers on rolls; brush with sauce.
14. Top with cucumbers and lettuce leaves.
15. Serve remaining sauce on the side, if desired.