01 - Preheat the oven to 425°F and line a baking sheet with parchment paper.
02 - Slice the bell peppers into ½-inch thick rounds, removing seeds and membranes.
03 - In a large bowl, toss the pepper coins with olive oil, smoked paprika, garlic powder, salt, and black pepper until evenly coated.
04 - Arrange the coins in a single layer on the prepared baking sheet.
05 - Roast for 20–25 minutes, flipping halfway through, until the peppers are tender and slightly charred at the edges.
06 - Transfer to a serving plate. Sprinkle with fresh parsley and lemon zest, if desired. Serve warm or at room temperature.