Choose plantains with some yellow color on the skin. Peel. Slice diagonally, into about 1/2 inch thick pieces. Set aside.
Heat a large skillet. Cover bottom of skillet with vegetable oil. When oil is hot (about 350 degrees) add plantain slices and cook over medium heat until lightly brown on first side. Turn and cook until lightly brown on second side. Watch carefully. Do not overcook. Remove from pan when lightly brown on both sides. Drain on paper towels before serving. Makes 6 servings. Cooking time 5-10 minutes.