Step 1

Preheat the oven to 375°F with a rack in the center position.Season the chicken all over with 1¼ teaspoon of the salt.Heat 2 tablespoons of the oil in a large ovenproof skillet or braiser over medium-high

Step 2

Once the oil is glistening, add the chicken and cook until golden brown, about 3 minutes per side

Step 3

Remove the skillet from heat.Meanwhile, in a small bowl, combine the whole grain mustard, Dijon, honey, ½ teaspoon of the remaining salt, apple cider vinegar, cayenne, garlic powder, and curry powder

Step 4

In a large bowl, toss the broccoli with the remaining olive oil and remaining salt.Pour the honey-mustard sauce over the chicken and turn to coat

Step 5

Add the broccoli to the skillet

Step 6

Transfer the skillet to the oven until the broccoli is tender and the internal temperature of the chicken reaches 165°F on an instant-read thermometer, 25-30 minutes.Season with pepper before serving.