Wash and clean the mangoes and cut the top part(attached to the stem).
Take the mangoes in a pressure cooker and add required water. Put one or two whistle.
After releasing the pressure, allow them to cool and peel the skin.
Scrap the pulp using a spoon and discard the seed.
Now use a sieve and pass the pulp through it.
Collect the smooth pulp and take it in a pan.
Add sugar in the pan and keep on stirring under medium flame.
Keep cooking it until it gets thick and leaves the sides, it will take around 10 to 15 mins.
Allow it to cool and later store in glass air tight container.