01 - Preheat your oven to 425°F (220°C). Line a baking sheet with parchment paper.
02 - In a large bowl, toss the zucchini slices with olive oil, lemon juice, lemon zest, salt, and black pepper until well coated.
03 - Arrange the zucchini in a single layer on the prepared baking sheet.
04 - Sprinkle the Parmesan cheese evenly over each slice.
05 - Bake in the preheated oven for 15-18 minutes, or until the zucchini is tender and the cheese is golden and bubbly.
06 - Transfer to a serving plate and garnish with fresh parsley if desired. Serve immediately.