French Quiche Casserole

from communitytable.com (in our local paper)

• Ready In: 1 hr 30 mins
• Serves: 10

Ingredients

• 8  eggs
• 3  cups 2% low-fat milk
• 1⁄4 teaspoon salt
• 1⁄4 teaspoon pepper
• 8  cups  cubed  sourdough bread
• 3⁄4 lb  cooked chopped bacon
• 8  ounces  frozen chopped spinach, thawed and drained
• 1  cup  chopped yellow onion
• 1⁄4 cup  chopped fresh chives
• 2  tablespoons Dijon mustard
• 2 1⁄2 cups swiss cheese

Directions

1. In a large bowl, whisk together eggs, milk, salt and pepper. Stir in sourdough bread, bacon (about 12 slices), spinach (excess water squeezed out), onion, chives, mustard, and 2 cups cheese. Spread mixture evenly in 13x9 baking dish coated with cooking spray and top with remaining cheese. Cover and chill 8 hours or overnight.
2. Preheat oven to 375 degrees. Uncover and bake casserole until puffed and golden brown, about 1 hour 15 minutes. Let cool 15 minutes.