Kohlrabi Potato Gratin

Gratins are beautiful in their simplicity and the magic of a dish being something more than the sum of its parts. The downside is that gratins can also border on very heavy and stodgy. Kohlrabi lifts the texture a bit, and because it has less starch in its cells, it will be less firm than a traditional gratin. If making this in advance (for parties or holidays), stop and cool the gratin after the roots are tender. Then when you’re ready to serve it, top with the cheese and bake to warm and