1-First, prepare the bolognese sauce.
2-Then, prepare the white.
3-Next, heat the oven to 180ºc and wipe a paper towel in some butter.
4-Later, spoon half of the bolognese sauce in to the dish.Then place a single layer of lasagne.
5-After that, spoon the rest of the bolognese sauce and put another layer.Then spoon the white sauce.