If you're looking for a delicious, but low-effort weekend breakfast or a make-ahead quick treat for school or a busy work day, this apple pie French toast bake is for you.
Cut bread into 1-inch cubes and add bread to a well-greased baking dish. (Stale bread works great too.)
Add eggs, milk and sour cream to a large bowl or blender, whisking well or blending on low until fully incorporated. Add vanilla, cinnamon and salt and continue mixing together until fully blended homogenously.
Pour egg mixture over bread cubes and make sure that all pieces of bread are in contact with the egg mixture; press down on bread with a large spoon as needed to coat.
Spread apple pie filling over bread evenly.
For the topping, in a separate bowl, combine flour, butter, brown sugar and cinnamon. Cut ingredients together until mixture is crumbly. (You can also use your hands to do this.)
Spread topping evenly over the apple pie and bread mixture.
Cover pan and place in the fridge overnight or for at least 8 hours.
THE NEXT MORNING: Remove pan from refrigerator.
Place cold French toast bake in the oven and then turn oven on to 350 degrees. (Yes you are starting from cold.) Bake approximately 50-60 minutes. You are looking for the top to be golden brown and the middle to be firm. Bake in additional 5-minute increments until done, adding foil if the top appears to be done or browning too quickly.