Place cottage cheese into a fine mesh sieve and rinse with cold water to remove extra salt. Let drain for a few minutes.
In a high speed blender, add cottage cheese, milk, maple syrup and vanilla extract. Process until smooth, about 2-3 minutes, pausing and scraping the walls of a blender with a spatula, if necessary. Transfer to a medium bowl.
Get 9 x 5 loaf pan and place cold coffee into another small bowl. Tiramisu will consist of 3 layer of 6 cookies each. Measure to make sure 6 cookies fit into a loaf pan and if necessary trim them to fit in. I had to do that.
Dip 6 lady fingers one by one into cold coffee to make sure to coat on both sides. Place in a single layer in a loaf pan, top with 1/3rd of cottage cheese mixture and level it with spatula. Repeat with 2 more layers.
Wrap the loaf pan tightly with tin foil and refrigerate for at least 4 hours or better if overnight.
Place cacao powder into a small fine mesh sieve and sprinkle on top of tiramisu. Using a knife cut into 6 slices. To serve, use flexible silicone spatula. Serve tiramisu cold.
Video
Notes
Store: Refrigerate tiramisu tightly covered for up to 5 days. I haven't tried to freeze it and probably don't recommend it. Its texture might be unpleasant upon thawing.