Dry roast sesame seeds until aromatic. Cool and powder them finely. Blend it a jar to powder. Add jaggery, cardamom and blend well. Make balls . Set aside.
Bring water to a boil. Switch off the stove and add flour.
Stir well and cover. Set aside for a while.
Knead the dough well to make crack free dough.
Make 11 equal sized balls. Grease your fingers and begin to flatten the ball.
Spread the dough to a small puri. If the edges crack, dampen your fingers and join the cracks.
Place a ball and bring all the edges together. Give a modak shape to it.
Bring 2 cups water to a boil in a steamer or pressure cooker. Place the kozhukattai on a basket lined with cloth.
Place the basket in the steamer when the water comes to a boil. If using cooker, then do not use weight.
Steam ellu kozhukattai in a steamer for 8 to 10 minutes.