Roasted Potatoes (Patates Psites)

Cut 4 yukon gold potatoes into eighths and put in a baking pan.
Add 1 greek coffee cup lemon juice (~1/4 cup)
Add 1 greek coffee cup olive oil (~1/4 cup)
Salt and pepper by eye
Put 3 TB butter on top

Bake at 350* for about one-and-a-half hours, basting every 20 minutes or so.