Make a long, lazy, slow-paced swing to create a high trajectory. This gets the ball up high so that it lands softly and does not roll. It is a risky shot, so only play it once you have practiced it sufficiently.
This is an intimidating shot, but it can be managed easily by getting your weight far forward in your stance so that your sternum is above the ball at address
Open up the club face to increase loft and swing into the lip