Preheat your oven to 450°F (230°C). Line a baking sheet with parchment paper to prevent sticking.
In a mixing bowl, whisk together the flour, garlic powder, onion powder, smoked paprika, cayenne pepper, and salt. Gradually pour in the water, whisking continuously until the mixture reaches a smooth, pourable consistency similar to pancake batter. Adjust the water as needed.
Dip each cauliflower floret into the batter, allowing any excess batter to drip off before placing them on the prepared baking sheet. Arrange the florets in a single layer for even cooking.
Bake in the preheated oven for 20-25 minutes, or until the cauliflower is golden brown and crispy. At the halfway mark, flip the florets to ensure they cook evenly.
In a large mixing bowl, combine the baked cauliflower with the buffalo sauce, tossing gently until all florets are well-coated. Transfer the sauced cauliflower back onto the baking sheet and return to the oven for an additional 5 minutes to warm the sauce.
In a dry skillet over medium heat or in a microwave, warm the corn tortillas until they become pliable and easy to fold.
Take a few pieces of the buffalo cauliflower and place them in the center of each tortilla. Top each taco with a generous handful of shredded lettuce, diced tomatoes, and, if desired, crumbled blue cheese or feta.
Finish each taco with a sprinkle of fresh cilantro and a squeeze of lime juice for a zesty touch. Serve immediately alongside lime wedges.
Notes
Serve the tacos on a colorful platter with lime wedges for an eye-catching display.