Morton's steakhouse creamed spinach - Recipe Tweets

Ingredients

• 2 tablespoons unsalted butter
• 2 ounces cream cheese
• 1 clove garlic, minced
• 1/2 yellow onion, finely minced
• 2 teaspoons kosher salt
• 1/4 cup Parmesan cheese, grated
• 1/2 teaspoon black pepper
• 1 3/4 cups half-and-half
• 1/2 cup mozzarella cheese
• 1/4 teaspoon grated nutmeg
• 2 tablespoons all-purpose flour
• 1 1/8 pounds fresh leaf spinach