Mushroom, Sausage and Gruyere Strata

Deselect All

Strata:

4 tablespoons (1/2 stick) butter

1 clove garlic, minced 

1/2 onion, finely chopped 

2 cups chopped shiitake mushrooms 

1 cup chopped oyster mushrooms 

1 tablespoon finely chopped fresh thyme, plus thyme sprigs, for garnish

4 classic Italian sausages, chopped  

2 cups whole milk 

1 cup heavy cream 

6 large eggs 

Kosher salt and freshly ground pepper 

2 cups grated Gruyere 

4 cups stale baguette cubes 

Oil, for greasing the pan 

All-purpose flour, for flouring the pan 

Gravy:

4 tablespoons (1/2 stick) butter

2 tablespoons all-purpose flour 

1 cup chicken broth 

Kosher salt and freshly ground pepper