Prep the jalapeños: Carefully slice each jalapeño in half lengthwise. Use gloves or wash your hands immediately after handling to avoid the spice transferring. Scoop out seeds and membranes with a small spoon to hollow them out.

Mix the filling: In a mixing bowl, combine cream cheese, shredded cheddar, green onions, garlic powder, salt, and pepper until smooth and creamy.

Stuff the peppers: Spoon about 1 tablespoon of the cheese mixture into each jalapeño half. Don't overfill, as this will cause the cheese to bubble over during cooking.

Prepare the topping: In another small bowl, mix the breadcrumbs with melted butter until evenly coated.

Bread and air fry: Gently press the cheese-filled side of each jalapeño into the breadcrumb mixture to coat. Arrange the peppers in a single layer inside your preheated air fryer basket, cheese side up. Cook at 375°F for 5–8 minutes, checking for golden-brown breadcrumbs and bubbly cheese.