There are 6 flavors and we should have all 6 everyday according to Ayurveda.
Here’s one way to make bitter tea.
Roast methi seeds called fenugreek seeds in English on low medium heat. Just 4-5 mins else it will burn . Powder it and you can store it.
Add a tea spoonful of powder to hot water.
Enjoy nice bitter flavor just the way you enjoy dessert. Yes, you will have to work on it.