On a baking sheet, spread the onion, mushrooms, zucchini, corn, peppers on a single layer, drizzle the olive oil, add the crushed garlic and season with salt, pepper, chilli powder, and ground cumin.
Roast for 15-20min.
Serve on warm tortillas, topped with fresh red cabbage, coriander, and a drizzle of Black Mamba Cayenne Chilli Sauce, dollop of sour cream and garnish with lime wedge. Enjoy!