Spinach and Cheese Strata -  It is incredibly convenient in that all the prep work is done the night before, and in the morning all you have to do is bake and serve.

Summary: It is incredibly convenient in that all the prep work is done the night before, and in the morning all you have to do is bake and serve.

Ingredients:

3 tbsp. unsalted butter
1½ cups onion, finely chopped
2 (10 oz.) packages frozen chopped spinach, thawed and drained
1 tsp. salt, divided
½ tsp. pepper, divided
Dash freshly grated nutmeg
8 cups cubed French or Italian bread, cut into 1-inch cubes
6 oz. coarsely grated Gruyere (about 2 cups)
2 oz. finely grated Parmesan (about 2/3 cup)
9 large eggs
2¾ cup milk

For full directions please visit: Annies-Eats.com