An Onion Based Curry Paste. Creating an authentic Tarka base is Every Indian Chef's Secret . A true Tarka base requires knowledge, time and expertise, to select just the right blend of spices and ingredients, to roast and fry them so they sizzle and crack releasing all their delicious oils and flavours, and to blend them with a perfect selection of ingredients to create your delicious jar of Aagrah Tarka paste. Aagrah Tikka Masala Tarka Paste Indian Recipes Perfected In Bradford. Enjoy deliciously authentic Kashmiri cuisine within your own home. think of it as the "Aagrah Restaurant experience." The UK's most popular Indian dish, Tikka Masala was created in the UK and consists of tandoori grilled chicken served in a creamy, spicy sauce.