An easy after work base marinade for boneless skinless chicken breasts.

In a zip lock:
Soy Vay Very Teriyaki (good stuff and seasonal at Costco)
Thai Chili sauce (hot stuff so to your taste)
Crushed garlic cloves
Lemon or lime juice (This speeds things up. The acid will start cooking/imparting the marinade.)

Mix and add chicken breasts. Marinade for 1/2 to 1 hour and cook over indirect heat. Don't dry them out. I do either mesquite or hickory.
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"You learn more from losing than you do from winning." Lou Pinella