Preheat oven to 375°F. Pour ¼ cup evoo in a 15x10x1 baking pan. Place pan in the oven for ten minutes so oil can get hot.
While pan is preheating, peel plantain and slice into 1-inch rounds.
Place on preheated pan and bake for ten minutes. Remove from oven, flip plantains and gently mash plantain into a ¼-inch round using a spatula or fork. Bake an additional five minutes.
Serve topped with yogurt, guacamole or pulled beef.