01 - Preheat the oven to 400°F and line a baking sheet with parchment paper.
02 - Wash and thoroughly dry the kale leaves. Tear into bite-size pieces and place in a large mixing bowl.
03 - Drizzle olive oil over the kale, then sprinkle with sea salt, black pepper, and smoked paprika if desired. Toss well to coat evenly.
04 - Spread the kale in a single layer on the prepared baking sheet.
05 - Roast for 15 to 20 minutes, tossing halfway through, until edges are crispy and slightly browned.
06 - Remove from the oven, transfer to a serving platter, and garnish with toasted pine nuts and lemon zest if using. Serve immediately.