Roast the fenugreek till pale brown. Remove to a mortar. Now roast the mustard seeds till the mustard starts popping. Add it to the same mortar as fenugreek and powder them.
Wash the apple and pat fry. Remove the stem and the seeds and cut them thinly as you prefer and transfer it to a large bow
In a small pan heat oil and add the mustard seeds. When the mustard pops, add the garlic slices ( optional) and curry leaves. Fry for 30 seconds. Add two pinches of asafoetida and turn off the stove.
Add the tempering , mustard-fenugreek powder, red chili powder and salt to the granny smith apple.
Mix all the ingredients and set a side for 30 minutes.After 30 minutes taste the pickle and adjust the salt and red chili powder. Set a side for another 30 minutes and the instant green apple pickle is ready to be served.
Green Apple Pickle can be served with rice, dal, yogurt rice, upma, pongal, khichdi, and more.