Breakfast casseroles are a must-have during the holidays. We enjoyed this French toast casserole at my in-laws this Christmas and it turned out delicious! It was really easy to make – we were able to make this the night before and throw it in the oven in the morning. This was my first time making this but it won’t be my last! French Toast Casserole 1 loaf crusty sourdough or French bread, cut/torn into 1″ to 2″ cubes 8 eggs 2 cups whole milk 1/2 cup heavy whipping cream 3/4 cup brown sugar 2 tbsp vanilla extract Topping 1/2 cup flour 1/2 cup brown sugar 1 tsp cinnamon (plus more…