Beat cream cheese and sugar well, scrape down the sides.
Add cream and lemon ingredients. Beat well, scrape down the sides.
Add eggs. Mix well, scrape, mix again.
Press Blackout Cake crumbs into bottom of well sprayed 10" pans. Pour batter evenly into the 3 pans. Sprinkle chocolate chips over each.
Bake at 270F for 90 minutes. Continue to bake for another 30 minutes with oven open.
Turn off oven, close oven door, let cool for 2 hours.