Maple Mustard Thighs

3 lbs boneless skinless chicken thighs, trimmed of excess fat
2/3 c spicy brown mustard
2 T yellow mustard
4 T brown sugar
1/2 c real maple syrup
2 T grated onion or dried minced onion
2 T cider vinegar
4 t soy sauce
1 t black pepper
4 cloves garlic minced
kosher salt

Place the trimmed chicken thighs in a large Ziploc bag.
Combine brown mustard, brown sugar, maple syrup, yellow mustard, grated onion, cider vinegar, soy sauce, and black pepper in a small mixing bowl. Pour half of the mixture over the chicken thighs and refrigerate for 2-4 hours.

You can grill or bake at 400 for 25-30 minutes.