Make the marinade. Place all ingredients into a Vitamix or high powered blender and blend until smooth. Add marinade and chicken to a large ziplock bag. Mix well to coat the chicken, making sure all sides get covered (I like to shake the bag). Marinate a minimum of 2 hours to overnight, shaking/stirring once.

Preheat the oven to 375 degrees Fahrenheit. Heat a large cast iron over medium heat. Add 1 tablespoon oil and let it get hot, about 2-3 minutes. Place chicken thighs in hot pan (meaty side facing down), cover with 1/4 of the marinade and cook for 2-3 minutes until browned. Flip, add 1/4 more of the marinade, and cook for 2-3 more minutes. While the chicken cooks, use a spoon to bast the chicken with the marinade. Repeat with remaining chicken.

Add to a baking sheet and bake for 30-35 minutes until cooked through. You can also bake some in the cast iron skillet.

Garnish with fresh cilantro and enjoy!