They look like flying saucers or marshmallows.
Lenticular clouds form when strong winds force air up and over a topographic barrier such as a mountain. Once the rising air hits the obstructive peak, an “eddie”, and then mixes with the upper-wind, the air deflects the mountain wind downward to create the lampshade looking clouds.
Here’s a collection of lenticular clouds forming in different settings — over buildings, volcanoes, and grassy fields. You love to see it!