Microwave unsalted butter for a few seconds till well melted and transparent. Strain and used as ghee.

Like many other desserts, remove from fridge half and hour before serving.
They would also tend to harden if undercooked.
The chenna should also be soft and smooth, or else the end product will be hard, no matter what.

It is a grass of the avena family, of which the variety ‘sativa’ is grown for its edible seeds. These seeds are known as oats, which are very rich in fibre. 
Besides being fed to cattle for feed and fodder, oats occupy a prime place on health food shelves.
We have commercially available oatmeal, rolled oats, white oats,  and oat flour.
Dishes like porridge, cookies, puries, breads, nutribars, etc. are very popular in incorporating oats in some form or other.

A general rule is to allow batter to be a shade thinner, and keep the cake underdone a little bit, so that in the standing time it gets fully done and does not overly dry up.
If already dry,  make it soft on cooling, by sprinkling some sugar water all over it.
If  the cake turns sticky, then it generally means there is more condensed milk than required.
While baking in microwave oven, reduce the condensed milk quantity by 2 tbsp.

Marmalade is a variation of jam where it carries crushed or grated pieces of rind, fruit, etc. in the recipe.

Flax or linseed is alshi in hindi.
A few grams, ground with a kg, of wheat (50 gms.), pounding them half and half with peanut chutney, or washing down a pounded teaspoonful with water first thing in the morning, are some of the many ways to consume it. A tbsp. of flax crush a day is great for overall health, esp. constipation. Roast them like sesame seeds, till they crackle. Crush lightly in mixie, take every day. Or make chutney with it just like sesame. One can even use flax oil.
They are great for Omega 3 fatty acids, which good for health and rare in other oil seeds.
Some benefits are control of constipation, cardiac helper, B vitamins, omega 3 supplier, etc. Do not eat raw, body does not assimilate anything from them in that form.