How to make tender cow tongue/cow tongue for dinner?

Hi Guys, today i going to share with you the secret to make a super tender cow tongue. list of ingredients : 01 cow tongue about 1kilo and half; 01 carrot; 01 onion; 01 celery stock; 04 tomatos; 05 garlic; 01 cup of tomato sauce; 01 red bell pepper; 01 table spoon paprika; 01 bay leaf; 03 table spoon of olive oil; 01 table spoon dry herbs; 01 cup of water; some cilantro and rosemary; salt and pepper to taste; Amazon links: https://amzn.to/32vsZD4