Combine all marinade ingredients in a medium sized mixing bowl. Add chicken thighs and turn to coat. Set aside.Preheat oven to 350 degrees F.Add drizzle of olive oil todutch oven and heat over MED-HIGH heat. Brown andouille sausage on both sides, then transfer sausage to a plate.Add chicken thighs, skin side down, and sear for 2-3 minutes per side, to develop a nice crispy skin.Transfer chicken to plate with the sausage, and use a paper towel to wipe out any black bits from the pan. Brown bits and pan drippings are good to leave in though.Lower heat to MED-LOW and add in chopped onion, jalapeno and celery. Saute for about 2-3 minutes, until softened.Add cayenne, red pepper flakes and salt and pepper and stir.Addrice and chicken stock, give it a stir, and let simmer for 1 minute.Nestle chicken thighs and sausage on top of the rice (pour in the juices that are left on the plate as well). Return to a simmer, then cover.Bake at 350 degrees for 35 minutes (covered).Remove cover and bake another 10-15 minutes, until liquid is absorbed into the rice Garnish with sliced green onions and minced parsley!