01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Wash and dry kale leaves thoroughly. Tear into bite-sized pieces and place in a large mixing bowl.
03 - Drizzle olive oil over the kale. Sprinkle with sea salt, black pepper, and smoked paprika if using. Toss to coat evenly.
04 - Spread 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 kale from oven, transfer to serving dish, and garnish with toasted pine nuts and lemon zest if desired. Serve immediately.