3/4 cup granulated sugar
2 eggs
1/2 teaspoon grated lime peel
1 cup whole milk
1 cup miniature marshmallows
1 cup whipping cream
1/2 cup Key lime juice
2 to 3 drops green food coloring

Combine sugar and eggs, mixing thoroughly. Add lime peel and milk. Cook over medium heat until slightly thickened. Remove from heat and add marshmallows, stirring until melted. Cool

Add Key lime juice and whipping cream to the cooled mixture. Add food coloring as desired. Freeze as per ice cream maker's instructions.