Preheat oven to 400 degrees
Line large baking sheet with parchment paper
Break cauliflower into florets and then slice cauliflower florets lengthwise into nacho shapes.
Place in large mixing bowl with olive oil, cumin, garlic powder, paprika, onion flakes, and cayenne pepper.
Coat evenly and place on lined baking sheet.
Roast in even 15-20 minutes turning at least once during cooking.
Lower oven to 350 degrees.
Remove from oven and top with optional toppings.
Place back in oven 10 more minutes or until toppings heated through.