Overnight French Toast

1/2 cup butter
12 slices white bread (or 6 slices sourdough)
1 cup brown sugar (can be 2/3 cup)
2 tsp cinnamon
5-6 eggs
1 1/2 cup milk

Melt butter in 9x13 pan. Put half the bread on bottom of pan. In a bowl mix sugar and cinnamon. Sprinkle half of sugar mixture on bread. In another bowl mix eggs and milk until blended. Pour over bread layer. put next layer of bread, layer sugar, layer eggs, sugar. Cover and refrigerate overnight. Bake covered for 30 minutes at 350. Uncover and bake for about 20 minutes or until set & cooked through.