6 med. to lg. potatoes, cut 1/8" thick, leave skins on
1 stick melted butter (or liquid Butter Buds)
1 pkg. (env.) dry onion soup mix
1 tsp. (or more to taste) Rosemary

Put cut potatoes in a buttered or sprayed casserole. Blend all other ingredients and pour over potatoes. Bake approximately 1 hour or until potatoes are tender.