Preheat your oven to 400 degrees. Line a baking sheet with aluminum foil and set aside.
Rinse the swiss chard leaves and cut the stems out leaving just the leafy portion.
Line the baking sheet with the leaves then drizzle with olive oil and cracked pepper.
Bake for 3 minutes and then promptly remove.
Toss with the lemon juice then top with the lemon zest. Serve and enjoy!