Eggnog Punch

Ingredients (9)

• 4 cups half-and-half cream, divided
• 6 large eggs, lightly beaten
• 1/2 cup sugar
• 3 teaspoons vanilla extract
• 1/2 teaspoon ground nutmeg, optional
• 4 cups heavy whipping cream
• 6 to 8 cups lemon-lime soda, chilled
• 1 quart vanilla ice cream
• 1/2 cup chopped maraschino cherries