*This recipe can be made with up to 8 chicken thighs. It can also be made with much fewer, depending on how much chicken you want. Boneless, skinless chicken thighs can also be used but they take less time to cook (only about 25 minutes). I'd start roasting the cauliflower first, then add the boneless, skinless chicken thighs to the sheet pans after 15 minutes. You can brush the honey mustard dressing on the boneless chicken thighs right when you put them in the oven.
Go ahead and roast even more vegetables if you like. The honey mustard dressing is also delicious on Brussels sprouts, potatoes and asparagus.
Remember to pour a little bit of the dressing in a separate bowl before brushing it on the chicken, to avoid cross-contamination.