Recipe: Creamed Spinach with Baked Eggs

Name: Recipe: Creamed Spinach with Baked Eggs
Ingredients: 1 1/2 pounds baby spinach; 4 tablespoons (1/2 stick) butter; 2 tablespoons finely chopped onion; 2 teaspoons finely chopped garlic; 1/4 cup instant or all-purpose flour; 2 cups half-and-half or whole milk; 1/2 cup finely grated Parmesan cheese; 1/4 teaspoon freshly grated nutmeg; 1/2 teaspoon dry mustard; 3/4 teaspoon salt, or to taste; 1/4 teaspoon freshly ground black pepper, or to taste; 8 large or extra-large eggs, at room temperature; 1/4 cup finely grated Parmesan cheese