- 2 lb broccoli florets, cut into 1.5 inch pieces
- 2 zucchini, sliced into half-moons
- 2 red bell pepper, cut into 1 inch pieces
- 1 red onion, cut into wedges
- 4 tbsp olive oil
- 1½ tsp salt
- ½ tsp black pepper
- 1 tsp garlic powder
- 2 pinch red pepper flakes, optional