Preheat oven to 425 degrees. Spread cauliflower & frozen corn on a baking sheet. Sprinkle with red pepper flakes, chili powder, garlic powder, salt & pepper.
Drizzle with olive oil & mix with hands.
Roast for 15-20 minutes, until golden brown.
Mix Greek yogurt, lime juice, cilantro & a touch of salt in a small bowl.
Spoon cauliflower & corn mixture into warm tortillas, top with Greek yogurt sauce & crumbled goat cheese.
Recipe by Grey Stripes & Denim at http://www.greystripesanddenim.com/cauliflower-corn-tacos/