Turn your grain mill to the coarsest setting. On the Mockmill, I set mine to 20. You should see: cracked kernels, some whole bits, a little flour, gritty texture (not powdery), and no heavy flour dust or dough-like powder. If you’re unsure, mill a tablespoon and pinch it between your fingers—it should feel like a mix of tiny grains and “grit,” not soft flour.
In a medium pot, bring the milk, water, and salt to a light boil over medium heat.
Slowly pour in the coarsely milled einkorn while stirring constantly to avoid clumping.
Reduce heat to low simmer and cook about 20 minutes, or until it thickens, stirring occasionally so it doesn’t stick.
When thick, creamy, and spoonable, remove from heat and serve warm.