Step 1

Preheat oven to 425 degrees.

Step 2

Drizzle cauliflower florets with 2 tablespoons of olive oil, and sprinkle with salt and pepper. Toss to combine. Add lemon slices and transfer to the oven. Roast for 15 minutes.

Step 3

Meanwhile, prep the chicken. Whisk 3 tablespoons olive oil, shallot, garlic, oregano, salt, and pepper. Whisk to combine. Add chicken and toss to combine.

Step 4

Remove cauliflower from oven. Nestle chicken between the cauliflower and add sliced onion. Return to the oven for an additional 20 minutes or until the chicken is completely cooked through.

Step 5

Meanwhile, make the olive dressing. In a medium bowl combine olive oil, vinegar, pepperoncini, and olives.

Step 6

Once the chicken is cooked through, remove half of the lemon slices from the sheet pan. Remove any seeds and chop the charred lemon. Add to the dressing.

Step 7

Transfer chicken and cauliflower to a platter, and top with feta, olive dressing, and dill.