Preheat your oven to 425°F (220°C).
Line a large baking sheet with parchment paper (or don’t — I’ve lived dangerously too).
In a large bowl, toss broccoli and cauliflower with olive oil, garlic powder, smoked paprika, salt, and pepper.
Spread the veggies out on the baking sheet in a single layer. Don’t crowd them unless you want a steam bath instead of that golden crisp.
Roast for 25–30 minutes, flipping halfway through, until the edges are lightly charred and everything smells like you know what you're doing.
Optional but delightful: squeeze a bit of lemon juice on top before serving. Trust me.