Step 1. Preheat oven to 425 degrees F.
Step 2. Arrange cauliflower on a large baking sheet and add onion powder, chili powder, paprika, salt and olive oil. Toss to coat evenly and roast for 35 – 45 minutes. Stir halfway through until the cauliflower is tender and browned all over.
Step 3. Combine all the ingredients for the avocado crema into a high speed blender and blend until smooth and creamy. Taste for seasoning.
Step 4. Serve inside warm tortillas with avocado crema, cauliflower, pickled onions, queso fresco, cilantro and lime. Enjoy!
That sounds like a good supper to me, very tasty