1 (8 oz.) pkg. cream cheese
1 egg and 1 yolk (save white)
1/2 c. sugar
Pinch of salt
1 (6 oz.) pkg. chocolate chips

CUPCAKE BATTER:

1 1/2 c. flour
3/4 c. water
1 c. sugar
1/2 tsp. salt
1/3 c. oil
1/4 c. cocoa
1 tsp. vanilla
3/4 tsp. baking soda
1 tbsp. vinegar
1 egg white

Combine ingredients in order given; mix well. Fill 18-20 lined muffin cups about 2/3 full with batter. Spoon 1 teaspoon filling on top of batter. Sprinkle generously with white sugar and chopped walnuts. Bake at 350 degrees for 30 minutes.