Heat oven to 350°F. In bowl, whisk together eggs, milk, mustard, nutmeg, and 1/4 teaspoon each kosher salt and pepper.
Stir in thyme. Toss in focaccia; let sit 5 minutes. Fold in onion and Cheddar. Transfer to oiled shallow 2- to 2 1/2-quart baking dish and bake until set and knife inserted in center comes out clean, 35 to 40 minutes. Sprinkle with chopped parsley
Leave a Reply