01 - Preheat the oven to 425°F and line a baking sheet with parchment paper.
02 - Wash and dry the bell peppers. Cut them in half lengthwise and remove stems, seeds, and membranes.
03 - Place the pepper halves cut side down on the prepared baking sheet.
04 - Drizzle with olive oil and evenly sprinkle with sea salt and black pepper.
05 - Roast in the oven for 25 to 30 minutes until skins are blistered and slightly charred.
06 - Remove peppers from the oven and transfer to a bowl. Cover with a plate or plastic wrap and let steam for 10 minutes.
07 - Peel off the skins and discard them. Slice the roasted peppers into strips.
08 - Arrange pepper strips on a serving plate. Top with parsley, capers, and garlic if desired. Serve warm or at room temperature.