Step 1

Preheat oven to 425º, using bake or roast mode. Prepare sheet pan by spraying with cooking oil or covering with parchment paper or foil. Add potatoes, carrots, and onions to sheet. Drizzle with avocado or olive oil and toss with your hands.

Step 2

Add chicken thighs to sheet. Don't flatten them completely in order to prevent them from drying out. Brush with melted butter and season.

Step 3

Bake or roast sheet pan for 25-27 minutes. Check the internal temperature of the chicken. The chicken is done when it reaches 165º. Use a fork to pierce the potatoes and carrots to see if they are done.