Melt the butter in a frying pan.

Combine breadcrumbs, sugar, and cinnamon in a bowl.

Add the breadcrumb mixture to the melted butter in the pan and stir until mixed and golden brown.

Divide the breadcrumb mixture into three equal parts.

Grease a deep dish pie plate.

Place the first portion of the breadcrumb mixture into the greased pie plate.

Pour 1 cup of applesauce on top to cover the breadcrumbs.

Add another layer of breadcrumbs.

Pour the remaining 1 cup of applesauce on top of the breadcrumbs.

Sprinkle the remaining breadcrumbs on top of the applesauce layer.

Dot the top with 2 tablespoons of butter, cut into small pieces.

Bake in a preheated oven at 375°F (190°C) for 25 minutes.

Remove from the oven and let cool to room temperature before serving.