Slice the bread into 20-1" slices and arrange the slices in a generously buttered 13x9 or larger baking dish, in 2 rows, overlapping the slices. In a large bowl, combine rest of ingredients beating with whisk til well blended but not foamy. Pour over the bread slices, making sure all are covered spooning some in between the slices. Cover and refrigerate overnight.
Next day, heat oven to 350*, make praline topping.
In saucepan, combine ingredients and bring to a boil, pour and spread evenly over top of bread slices. Bake casserole, uncovered, for 35-40 minutes til puffed and golden!