The perfect breakfast or brunch dish!
In order for this recipe to come out as desired, prep the casserole the night before or at least 8 hours before you want to bake the French Toast Bake.
Cover your pan and refrigerate overnight for at least 8 hours.
Now, you will make the topping. In a food processor, mix the flour, brown sugar, cinnamon, and salt until small crumbles are formed. You can also mix by hand if you do not have a food processor. If mixing by hand, cut the butter up into small pieces and add it to the topping mixture. Then, using a pastry blender, or a fork, smash the butter into the flour mixture until crumbly.