Preheat oven to 425°; remove chicken from all packaging, including paper, then add chicken (with juices if desired) to a baking dish; bake 25-28 min until hot + skin is golden brown; slice + divide to plates

Chop cauliflower into 1-inch pieces, spread on a sheet pan, season with 1 tbsp oil + salt/pep; roast 10 min, then flip veggies + roast 5-10 min more until browned + tender; divide to plates

Heat 1 tbsp oil in large skillet over med-high + sauté half the spinach + salt/pep 1-2 min until wilted; add remaining spinach + cook 1-2 min more until all spinach is wilted; divide to plates + drizzle on 1-2 tbsp dressing to each—yum!