Preheat oven to 425°F. Line a baking sheet with parchment.
Mix together flour, salt, paprika, garlic powder, and pepper in a small bowl.
Place cauliflower in a large bowl, drizzle with olive oil and toss until coated.
Add flour mixture and toss until coated.
Add buttermilk and toss until coated.
Add corn meal and toss until coated.
Spread in a single layer on prepared baking sheet. Bake for 45 minutes, stirring and flipping every 15 minutes.
Serve with dipping sauces.