Baked Buffalo Chicken Jalapeño Poppers

jalapeño peppers, sliced in half lengthwise

1/3 less fat cream cheese

medium scallions, green part only, chopped

shredded low fat sharp cheddar (I used Cabot 50%)

shredded chicken

Franks Hot sauce (or any buffalo wing sauce)

egg whites, beaten

panko crumbs

paprika

garlic powder

chili powder

salt and pepper

cooking spray