Winter Squash, Mushroom, & Gruyére Strata | culture: the word on cheese

Ingredients

• 1 2- to 2½- pound butternut squash (or other winter squash)
• Butter
• Sea salt
• Freshly ground black pepper
• 1 medium-size loaf crusty artisanal bread (cut in ¼-inch-thick-slices)
• 1 tablespoon olive oil
• 1 onion (diced into ½-inch cubes)
• 2 cups sliced mushrooms
• 1 large clove garlic (finely chopped)
• ¼ cup white wine
• 8 ounces Gruyère (grated (about 2 cups))
• 5 eggs
• 2 cups half-and-half