1 pkg. yellow cake mix
1 1/4 c. eggnog
3 eggs
1/4 c. butter, softened
2 tsp. nutmeg
2 tbsp. light rum
1/4 c. sugar
1 tbsp. cornstarch
1/4 tsp. salt
1 c. milk
1 egg yolk, beaten
2 tbsp. light rum
1 tsp. butter
1/2 c. heavy cream, whipped

Grease and flour 12 cup bundt pan. Mix first 6 ingredients until moistened. Beat on medium speed 2 minutes. Pour into pan and bake at 350 degrees for 40 to 45 minutes or until done. Cool 10 minutes and remove from pan. Prepare sauce. In medium saucepan, mix sugar, starch and salt. Gradually stir in milk. Cook over low heat stirring until mix thickens and boils. Cook and stir 1 minute. Remove from heat, gradually stir half of hot mix into yolk. Return all mix to saucepan. Cook and stir 1 minute over low heat. Remove, stir in rum and butter. When cool fold in whipped cream. Serve over each slice of cake.