breakfast strata with spinach and gruyère - cooks illustrated

Ingredients For breakfast strata with spinach and gruyère - cooks illustrated

• 8 - 10slices supermarket French bread (1/2-inch thick) or Italian bread (6 - 7 ounces)
• 5tablespoons unsalted butter, softened
• 4 medium shallots, minced (about 1/2 cup)
• 1(10-ounce) package frozen chopped spinach, thawed and squeezed dry
• Salt and ground black pepper
• 1/2cup medium-dry white wine, such as Sauvignon Blanc
• 6ounces Gruyère cheese, grated (about 1 1/2 cups)
• 6 large eggs
• 1 3/4cups half-and-half