1 c. sugar
3 (8 oz.) pkg. cream cheese, softened
5 eggs
1 tbsp. vanilla
1 (4 oz.) pkg. Baker's sweet chocolate, melted and cooled

Add sugar to cheese in a bowl, beating well. Add eggs, one at a time, beating well after each addition. Add vanilla. Measure 2 cups of cheese mixture. Fold in chocolate. Pour remaining cheese mixture into well-buttered 10-inch pie pan or 9-inch square pan. Add spoonfuls of chocolate cheese mixture and zigzag a spatula through batter to marble. Bake at 350 degrees for 40-45 minutes. Cool. Then chill.