Prepare brownies according to recipe instructions and set aside to cool.
Combine milk, pudding mix and strawberry puree in a large mixing bowl and whisk until pudding thickens. Set aside.
Combine chocolate chips and ¼ c half and half in a microwave safe bowl and cook for about 30 seconds. Remove and stir. Return to microwave for 10 seconds at a time, stirring after each until chocolate begins to melt when stirred. Allow to cool for one minute.
Beat cream cheese, vanilla and remaining half and half in a mixing bowl until smooth. Slowly beat in chocolate mixture. Beat until smooth. Add powdered sugar and beat on low speed until creamy and combined.