Cut the bread to 1-inch cubes and lightly toast in the oven.
Mix the sugar, milk, eggs and vanilla extract together.
Add the bread to the liquid and press down to get all of the bread wet.
Let the bread sit in the liquid for 30 minutes
Spray a 6-cup pan. Place some of the bread mixture and the sprinkle chocolate chip. Continue alternating with the bread mixture and chocolate chips until they are all in the pan.
Bake at 350F for 30-40 minutes until the center in giggly and it is brown on top.
Let it sit for 15 minutes before cutting and serving.