Easy overnight french toast casserole

Why I Love This Recipe
I really like this recipe because I can make it the night before and just pop it in the oven the next morning - go back to sleep and wake up to yummy crusty sticky-bunesqe quality french toast
Ingredients You'll Need
1 Loaf French bread, 1 1/2" slices
1 stick butter
3/4 c brown sugar
1 1/2 c milk
4 eggs
2 T vanilla
Directions
melt butter and add brown sugar to saucepan simmer until sugar is dissolved
layer bread in 9x12 casserole dish
beat eggs, then add vanilla and milk and pour mixture over bread
spread butter and sugar mixture over bread
cover with foil and put in fridge overnight
next morning, preheat oven to 350
put in covered dish for 30 min
uncover dish and cook for another 30-45 minutes or until tops of bread is crusty and egg is set.