I start by preheating my oven to 375°F and lightly greasing a baking dish. Then I slice the bell peppers in half lengthwise and remove the seeds and membranes. A light brush of olive oil keeps them from drying out while baking.
In a mixing bowl, I combine shredded chicken, softened cream cheese, buffalo sauce, garlic powder, onion powder, salt, and black pepper. I mix until everything looks creamy and evenly coated. This step ensures every bite has that signature buffalo flavor.
I spoon the buffalo chicken mixture generously into each pepper half. I press it down slightly so it stays in place while baking. Then I sprinkle mozzarella and cheddar cheese evenly over the top.
I place the baking dish in the oven and bake uncovered for about 30 minutes. The peppers soften, and the cheese melts into a bubbly, golden topping. If I want extra browning, I broil them for the last 2 minutes.
Once out of the oven, I let the peppers rest for a few minutes. This helps the filling set slightly and makes serving easier. A sprinkle of green onions adds freshness and color.