Leek Gruyere Breakfast Strata

Leek Gruyere breakfast strata layers buttery sautéed leeks, bread, eggs, milk, thyme, and melted cheese in an easy baked brunch casserole.

Prep: 20 min · Cook: 45 min · Yield: 8 · Method: Oven

Ingredients

• 8 cups bread cubes
• 2 leeks
• 6 eggs
• 2 cups whole milk
• 1.5 cups gruyere cheese
• 1 teaspoon fresh thyme
• 1 tablespoon butter
• 0.75 teaspoon kosher salt
• 0.25 teaspoon black pepper

Cooking instructions

1. Preheat the oven to 375°F. Butter a 9-by-13-inch baking dish. (about 10 min) — 375°F
2. Trim, rinse, and thinly slice the leeks. Melt the butter in a large skillet over medium heat. Sauté the leeks for 6 to 8 minutes, until softened. (about 8 min) — Medium heat
3. Whisk the eggs, milk, thyme, salt, and pepper in a large bowl. (about 2 min)
4. Layer the bread cubes and sautéed leeks in the prepared baking dish. Pour the egg mixture evenly over them, then sprinkle with Gruyere. (about 3 min)
5. Bake for 40 to 45 minutes, until puffed, lightly golden, and set in the center. (about 45 min) — 375°F
6. Rest the strata for 10 minutes before slicing and serving. (about 10 min)