Green Chili Sourdough Strata

Ingredients

• One 8-inch round loaf crusty sourdough bread, 1-1/14 pounds
• 1/4 cup Real California butter, melted and divided
• 3 cups thinly sliced yellow onion
• 1 cup chopped pasilla or 1 4-ounce can diced green chilies
• 1 cup nonfat chicken broth, divided
• 1 teaspoon ground cumin
• 1 teaspoon dried thyme leaves
• 1/2 cup chopped fresh parsley
• 3/4 cup (3 ounces) shredded Real California Gouda or White Cheddar cheese
• 3/4 cup (3 ounces) shredded Real California Dry Jack cheese
• 2 tablespoons cornstarch
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 1 1/2 cups nonfat or 1 percent Real California milk
• 1 egg
• 1 egg white