Preheat the oven at 400F and line a roasting dish with parchment paper. Wash the broccoli and potatoes thoroughly. Make sure there are no remains of dirt.
Cut the potatoes into small bite-size pieces. Do not remove the skin as it will get crispy and delicious when roasted.
For broccoli, cut the stems off and separate them into florets.
Place potatoes and broccoli florets into the roasting tray. Drizzle oil, add freshly crushed garlic, mixed dry herbs, salt, garlic powder, chili flakes, and chili powder.
Mix well with your hands. Give everything a nice toss until every piece is well coated with the seasoning and oil. Once done, spread evenly on the baking dish.
Place the dish in the oven and roast the vegetables for 25 to 30 minutes.
Make sure to stir the vegetables halfway to get an even roast on all sides.
Remove the dish from the oven. Sprinkle some vegan Parmesan over the roasted vegetables.
Drizzle some spicy tahini dressing and serve right away.
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Notes
Do not overlap the vegetables. They will end up steamed and soggy not crispy-skinned roasted vegetables.
Make sure you cut potatoes in small bite-size pieces otherwise they will be firm from inside and the cooking time of broccoli and potatoes will differ.
Do not use a silicone mat for roasting, parchment paper will help to get a crispy texture, silicon mat will keep the moisture intact and it will end up in soft soggy vegetables.
Stir the veggies halfway to get an even roasting on all sides.