Preheat oven to 400 F.
Wash potatoes, cut thin slice off bottom of potato, this make a flat surface to prevent potatoes from rolling around on the pan.
Place potato cut side down on cutting board and with sharp knife make thin even cuts through potatoes. Be sure to not cut entirely through potato.
Place shallots between each slice of potato, sprinkling a few slices on top.
Mix melted butter and olive oil together.
Brush potatoes all over with melted butter and olive oil.
Sprinkle with chopped chives, salt and pepper.
Place on foil lined baking pan and bake in oven 400 degrees.
Every 15 minutes or so brush with more olive oil and butter.
Total baking time about 1 hour or until potatoes are done.