Heat the olive oil in a skillet over high heat.  Once hot, add the green beans (be sure they are very dry – no water on them).  Spread them in an even layer and cook for about 3 minutes, until browning on the underside. Using tongs (and with an oven mitt on), carefully turn the green beans over.  Cook for 4 more minutes, rearranging with tongs as needed, until all sides are browned.  Add the sliced garlic and a sprinkle of salt and pepper.  Cook for one more minute, being careful not to burn the garlic.