Grilled Potato without onion

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 2 tablespoons extra-virgin olive oil 1/2 teaspoon kosher salt 1/2 teaspoon ground black[...]

2 x Idaho baking potatoes , like russets peeled, sliced     into 12 pcs about 1/2"-thk, and     punched out with round cookie cutter 3 sm purple baking[...]

1 lb potato , cut into 1/16 th inch slices on the diagonal (I use russets or long whites for less water content) 3 tablespoons cooking oil 1/2 teaspoon dried[...]

1 lb potato , cut into 1/16 th inch slices on the diagonal (I use russets or long whites for less water content) 3 tablespoons cooking oil 1/2 teaspoon dried[...]