North Indian winter is the one season where the vegetables, not the recipes, decide the menu. Sarson and bathua are only good for a few weeks, fresh green peas are worth shelling by hand, and carrots are sweet enough to make halwa without much sugar. This week is written around that window.
The cooking is heavier than the rest of the year, deliberately: ghee, white butter, bajra and maize instead of wheat, and slow dishes like dal makhani and undhiyu that suit an afternoon when nobody is going anywhere.
Two dishes want real time — sarson da saag on Monday and undhiyu on Thursday. Both are better cooked in a big batch, and both reheat well, so cook more than a day’s worth. Quantities are for a family of four.