Preheat oven to 350° Lightly grease a baking sheet and set aside. In a small bowl, combine the parmesan cheese, cream cheese, crumbled bacon, chives, garlic, salt, and pepper
Using kitchen gloves or a plastic grocery sack to protect your hands, halve each jalapeño lengthwise
Remove seeds and membranes using a paring knife
Spoon cheese mixture evenly into each jalapeño half. Melt butter and pour over panko
Toss to coat
Sprinkle evenly over each popper
Place the peppers, cut side up, on a baking sheet and bake on the bottom rack until the cheese has melted, jalapeños have softened and panko is golden brown
About 30 minutes. Remove from the oven and serve immediately.