- Take a bowl and add all purpose flour, salt, butter and mix it.
- Later add little milk and make soft dough.
- Roll into lengths sheet cut edges, later cut into big triangles.
- On it sprinkle red chili flakes, arrange spinach leaves, with cheese and place celery stick, roll it like as shown in video to give a crostini shape.
- Place them on baking tray and give a milk wash, later bake in oven at 200 degree for 15-20 minutes.
Now crostini is ready to serve.