Cream of Spinach Soup

1 package (1.8 ounces) leek soup and dip mix
1 package (10 ounces) frozen leaf spinach, thawed, drained and chopped
1 cup (8 ounces) sour cream
1/4 teaspoon ground nutmeg
Lemon slices

Prepare soup mix according to package directions. Stir in spinach. Cover and simmer for 2 minutes. Remove from the heat; stir in sour cream and nutmeg. Garnish with lemon slices. Makes 4 servings.