Easy Overnight Ham And Cheese Casserole | Oregonian Recipes

Ingredients

• 10-ounce package frozen chopped spinach, thawed
• 4 eggs
• 2 cups whole milk
• 1/2 cup light mayonnaise
• 1 tablespoon Dijon mustard
• 1/2 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 1/2 teaspoon onion powder
• 20-ounce ham steak, diced
• 3 cups shredded sharp cheddar cheese, divided
• 2 medium carrots, grated
• 2 medium turnips, grated
• 20-ounce package refrigerated shredded potatoes