Add soy sauce, ketchup honey and garlic to a large ziplock bag. Add in chicken thighs and marinate for 1-2 hours.
When you are ready to cook preheat the oven to 350 degrees.
Spray a 13 x 9 pan with cooking spray.
Remove chicken from the marinade and place on the prepared pan skin side up. Reserve the marinade.
Place in the oven uncovered and bake for 35-50 minutes or until the internal temperature reaches 165 degrees. (The chicken thighs will take longer to cook if they are on the larger size)
If you want a crispier skin turn the oven to broil and bake for an additional 3-5 minutes.
Meanwhile while the chicken is cooking add the reserved marinade to a medium saucepan.
Bring it to a boil and reduce heat to simmer. Cook for 5 minutes.
If sauce is not thick enough you can always add 1 teaspoon cornstarch + 1 tablespoon water.
When chicken comes out of the oven brush on the sauce and serve immediately.