01 - Preheat the oven to 425°F. Line a baking sheet with parchment paper for easy cleanup.
02 - Trim the stem ends of the Brussels sprouts and remove any yellow or tough outer leaves. Slice each sprout in half lengthwise.
03 - In a large bowl, toss the halved Brussels sprouts with olive oil, sea salt, black pepper, garlic powder, and smoked paprika until evenly coated.
04 - Spread the Brussels sprouts cut side down in a single layer on the prepared baking sheet.
05 - Roast for 22 to 25 minutes, flipping halfway through, until the sprouts are golden brown and crispy on the edges.
06 - Transfer to a serving dish and season with additional salt or a squeeze of lemon juice if desired. Serve hot.