Mix butter, garlic and parsley together, spread it on the bread and put into a pre heated oven for two minutes.

For the bechamel sauce, Melt the butter in a saucepan, Stir in the flour and cook for like 1-2 minutes.
Take the pan off the heat and stir in the milk little by little. Return to the heat, simmering, stirring, until all the milk is mixed well and thicken.. let it simmer for like 8-10 minutes and season with salt and white pepper.

Assemble everything together, the oven toasted garlic bread, shredded chicken, bechamel sauce then lastly the cheese.