Preheat oven to 400`F. Place drained beans, tomatoes, brussels sprouts, garlic cloves, olive oil and rosemary leaves in a 9” x 13” baking dish; sprinkle with ½ teaspoon salt and toss to combine ingredients. Place chicken thighs on top of mixture, leaving space between chicken pieces. Sprinkle remaining salt and pepper over the chicken pieces. Place baking dish in preheated oven and bake for 35-40 minutes, or until chicken is done and skin is golden and crispy.