Drizzle with remaining 2 tablespoons melted butter; sprinkle with remaining bacon.
Bake 17 to 20 minutes or until ridges begin to brown.
Serve immediately.
Notes / Tips / Wine Advice:
Make-Ahead Magic
You can make the potatoes up to 24 hours in advance, piping them onto the cookie sheet, but do not top with butter or bacon. Cover rosettes loosely with plastic wrap and refrigerate. Just before baking, drizzle with remaining butter and sprinkle with remaining bacon.