They look like unripe small green tomatoes with a leaf life substance that covers the fruit. Like gooseberries. For example, these types of fruits are known as u003ca href=u0022https://en.wikipedia.org/wiki/Physalisu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003ePhysalisu003c/au003e. In addition, tomatillos are usually roasted for salsas.