Easy Recipe to Make an Overnight Strata

Layers of cheese, bread, mushrooms and spinach make up this comforting strata. And best of all, you can easily assemble it in advance. What's not to love about being able to prepare breakfast the night before? It's the ultimate dish to wake up to... and to enjoy later for dinner!

(Image: Thalia Ho)

Things You'll Need

  • 2 tablespoons olive oil

  • 1 garlic clove, roughly chopped

  • 1 large brown onion, sliced

  • 4 cups button mushrooms, quartered or slivered

  • 1 large bunch or 6 cups spinach, kale or chard, stems removed, washed, dried and roughly chopped

  • 6 large eggs

  • 1 1/2 cups whole milk

  • 1/2 cup heavy cream

  • 1 tablespoon Dijon mustard

  • 1/4 teaspoon ground nutmeg

  • 6 cups bread, cubed

  • 1 cup cheddar cheese, grated

  • 1 cup Parmesan cheese, grated

  • Salt and pepper

Step 1: Measure and Prepare Your Ingredients

Begin by preparing all your ingredients. Generously butter or oil a 9-inch baking dish and set aside.

(Image: Thalia Ho)

Step 2: Cook the Onion and Garlic

Heat the olive oil in a large heavy sauté pan over medium heat and add the garlic and onion. Cook, stirring occasionally, until the onion has slightly softened.

(Image: Thalia Ho)

Step 3: Add the Mushrooms

Add the mushrooms to the pan and continue to cook until they just begin to brown.

(Image: Thalia Ho)

Step 4: Add the Greens

Add the greens to the pan, season and cook until they just begin to wilt, a few minutes. Set the pan aside and turn off the heat.

(Image: Thalia Ho)

Step 5: Mix the Liquid Ingredients

In a large bowl, whisk together the eggs, milk, cream, mustard and nutmeg. Season with salt and pepper.

(Image: Thalia Ho)

Step 6: Assemble All the Ingredients Together

To assemble the strata, spread half of the bread over the bottom of the baking dish. Top with mushroom and greens then sprinkle the remaining bread and half the cheeses evenly over the top. Carefully pour the egg mixture over everything and sprinkle with remaining cheese. Season with salt and pepper.

(Image: Thalia Ho)
(Image: Thalia Ho)
(Image: Thalia Ho)

Step 7: Set Aside

Cover tightly with plastic wrap and refrigerate overnight, or for at least 6 hours to absorb.

(Image: Thalia Ho)

Step 8: Bake

Take the strata out of the refrigerator 30 minutes before baking and let it sit to room temperature. Preheat the oven to 350 F, uncover the strata and bake it for about 45 minutes or until golden brown and cooked through.

(Image: Thalia Ho)

Step 9: Let Cool

Let the strata cool for 10 minutes.

(Image: Thalia Ho)

Step 10: Serve!

Serve and enjoy your delicious strata!

(Image: Thalia Ho)