Preheat the oven to 400°F. Slice the jalapenos in half lengthwise. Using a small spoon, scoop out the seeds and membranes.In a bowl mix cream cheese, spice blend, cheddar cheese. In a separate bowl, combine Panko crumbs and melted butter.Fill jalapenos with the cheese mixture. Top with crumbs.Place on a baking pan and bake 18-22 minutes or until golden.Cool 5 minutes before serving.