Melt butter and brown sugar and caro syrup over medium heat stirring. Bring to boil and then pour into 9 x 11 casserole pan. Slice bread into 1 inch widths and lay over caramel mixture. Mix eggs and milk and vanilla and pour over bread. Sprinkle top with cinnamon and cover with plastic wrap. Refrigerate over night. Uncover and bake in 350 degree oven 45 minutes. Serve with fresh fruit and syrup.