Wikipedia
Mathri
Mathri (, , Mathi) is a Rajasthani snack. It is a kind of flaky biscuit from north-west region of India. It is made from flour, water, and cumin seeds (optional). The creation of this snack was influenced by the need to have preserved food that will stay edible for days and the finished products are often stored in big jars at room temperature.
Mathri is served with mango, chilli or lemon pickle along with tea. It is also served at marriages and poojas. Masala Mathri is a variant of Mathri with spices added to make it more crispy.
It is one of the most popular snacks in North India, and is part of most marriage cooking or religious occasions like Karva Chauth and even as tea-time snack.