Cream cheese filled chocolate cupcakes

I got this yummy cupcake recipe from a fellow blogger that i follow.This recipe makes about 30 cupcakes.

Ingredients for Cream Cheese Filling:
1 8 ounce package cream cheese
1/3 cup granulated sugar
1 large egg
1/8 teaspoon salt
1 cup semi-sweet chocolate chips

Ingredients for Cupcakes:
3 cups all-purpose flour
2 cups sugar
2/3 cup cocoa powder
2 teaspoons baking soda
1 teaspoon salt
2 cups water
2/3 cup vegetable oil
2 tablespoons white vinegar
2 teaspoons vanilla

Directions:
Preheat oven to 350. Line a muffin tin with paper liners.

In a medium-sized bowl, beat the cream cheese, sugar, egg, and salt until smooth and creamy. Stir in the chocolate chips and set aside.
In a large bowl, stir together the flour, sugar, cocoa, baking soda, and salt. Add the water, oil, vinegar, and vanilla. Beat on medium speed for two minutes.

Fill the muffin tins 1/2 full, and then add one level tablespoon of the filling into the center of each cup. Bake for 20-25 minutes.