Add all of the ingredients, except the chicken, to the blender and blend until you have a smooth marinade.
1 small onion, 1 green onion, 2 Tablespoons Kosher salt, 2 teaspoons black pepper, 2 Tablespoon light brown sugar, 2 teaspoons ground allspice, Pinch freshly ground nutmeg, ½ teaspoon ground cinnamon, 2 teaspoons fresh thyme, 1 Tablespoon ginger puree or fresh ginger, 2 cloves garlic, 2 Scotch Bonnet peppers, 1 Tablespoon apple cider vinegar, ¼ cup low sodium soy sauce, 1 Tablespoon neutral oil