Heat oven to 350℉. Line a 15X10X1-inch baking sheet with foil
Spray a 13X9-inch (3 quart) glass baking dish with cooking spray.
Pierce sweet potatoes several times with a folk. Place in foiled-lined pan. Bake about 1 hour 15 minutes or until a fork easily pieces through the potato.
Cool 10 minutes. When the potatoes are cool enough to handle, peel the potatoes, discard skins, and cut out and eyes or dark spots. Place the sweet potato flesh in a large glass bowl.
In a medium size skillet, cook bacon until crisp; chop. Set aside.
In a small glass bowl, mix the breadcrumbs with the 1 Tablespoon melted butter. Set aside.
Mash the potatoes with a potato masher.
Stir in the chopped bacon, sour cream, the ¼ cup softened butter, the onions, chipotle seasoning, salt and pepper, until well blended.
Spread mixture in the glass baking dish, or form individual servings in the dish with a ½-cup ince cream scoop or measuring cup.
Sprinkle crumb mixture evenly over top.
Bake 20 to 30 minutes or until thoroughly heated and bread crumbs just begin to brown.