1 cup white sugar
1/3 cup butter
1 cup yogurt
1 1/2 cups all-purpose flour
3 eggs
1/4 teaspoon vanilla extract
2 teaspoons baking powder
12 (1.5 ounce) bars milk chocolate candy
2 cups cream cheese
3 eggs
1/4 teaspoon vanilla extract
3/4 cup white sugar
1/4 cup confectioners' sugar for dusting