Steps for making the ice cream

1. Set ice in your freezer, you will need 2 trays for this
2. Chill the whipping cream and condensed milk overnight
3. In a bowl add 1 can of chilled condensed milk and vanilla essence 
4. Sift 50gms of cocoa powder
5. Using the cutting and folding method, mix thoroughly
6. You need 2 mixing bowls for this
7. Keep both bowls in the freezer for 15-20 minutes and whisking attachment
8. Add ice in the deeper bowl and place the 2nd bowl on top
9. Add 400 grams of chilled cream and add 2 tablespoons cream of tartar
10. Whip in 3 minute intervals, add mixture 1/4 cup at a time
11. Add mixture, till it is over. 
12. Continuously whip for about 3-4 minutes, it should flow like ribbons. 
13. The consistency will be really creamy and you should see soft peaks.
14. Freeze for a minimum of 4 hours.