Tuscan Butter Roast Chicken

Name: Tuscan Butter Roast Chicken
Prep time: 15 min
Total time: 15 min
Cuisine: Italian
Ingredients: 1 (3-lb.) whole chicken; Kosher salt; Freshly ground black pepper; 1 lb. baby potatoes, halved; 1 large head broccoli, cut into florets; 1 large red onion, cut into wedges; 2 c. cherry tomatoes; 2 tbsp. extra-virgin olive oil; Pinch red pepper flakes; 4 tbsp. melted butter; 3 cloves garlic, minced; 1 tsp. Italian seasoning; Spinach, for serving; 1/4 c. thinly sliced basil