Warmth forged iron skillet or grill pan over medium-high. Brush flesh of orange, lime, and pepper with oil. As soon as pan is scorching, place orange and lime in pan, minimize sides down. Gently press down on fruit with spatula. Cook dinner till flesh begins to char, roughly 2 to three minutes, then take away lime and flip oranges to char the opposite minimize aspect. Add pepper to pan and warmth till blistered in a couple of locations.
