Scrambled Egg Spinach Casserole

Ingredients

• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 1/2 teaspoon ground nutmeg
• 1/8 teaspoon plus 1/2 teaspoon salt, divided
• 1/8 teaspoon plus 1/4 teaspoon pepper, divided
• 2 cups 2% milk
• 1/2 pound bulk Italian sausage
• 1/2 cup chopped sweet onion
• 12 eggs
• 3 tablespoons half-and-half cream
• 1 package (10 ounces) frozen chopped spinach, thawed and squeezed dry
• 1-1/2 cups (6 ounces) crumbled feta cheese
• 3/4 cup soft bread crumbs
• 1 tablespoon butter, melted
• 2 tablespoons grated Parmesan cheese
• 1/4 teaspoon paprika