Prep Time: 15 minutes
Cook Time: 10 minutes
Combine cheese, breadcrumbs, bell pepper and egg in a medium bowl; mix well.
Wearing rubber gloves, cut each chili pepper in half lengthwise through stem; discard seeds. Mound cheese mixture evenly into pepper halves; place on a foil-lined baking sheet.
Bake in a preheated 450°F oven until browned and bubbly, 9 to 10 min. Arrange on a serving platter; serve warm or at room temperature.