- 1¼ lb broccoli florets, cut into 1.5 inch pieces
- 1½ zucchini, sliced into half-moons
- 1½ red bell pepper, cut into 1 inch pieces
- ½ red onion, cut into wedges
- 2½ tbsp olive oil
- 1 tsp salt
- ⅓ tsp black pepper
- ⅔ tsp garlic powder
- 1½ pinch red pepper flakes, optional