1
Gather everything you need. Turn the oven on to 350 degrees F (175 degrees C). Cover a 9x13-inch baking dish with a lot of nonstick cooking spray.
2
A big bowl holds the eggs, milk, heavy cream, brown sugar, vanilla, cinnamon, and salt. The eggs should be mixed with a whisk.
3
To make each half of the croissant totally wet, dip it in the egg mix.
4
Place dipped croissants in the baking dish that has been prepared. You may need to spread them a bit. Pour any egg mixture that's left over the croissants.
5
It will take about 30 minutes of baking in a hot oven until it is golden brown and a knife stuck in the middle comes out clean.
6
Allow to sit for 15 minutes before serving. Add any toppings you want.