Step 1:
Soak the chickpeas and white beans overnight. Change the water a few times to reduce swelling.
Step 2:
In a deep pot, sauté chopped onions with meat and sheep tail until lightly browned. Add 3 cups of water and skim off any foam. Avoid adding salt at this stage to speed up cooking.
Step 3:
Add the soaked chickpeas and beans. Cook for 1 hour over medium heat.
Step 4:
Add potatoes, tomatoes, tomato paste, and spices. Simmer on low heat for 2 more hours until all ingredients are tender. Adjust spices to taste.
Step 5 (Optional):
After cooking, you can separate the broth and ingredients. Serve the broth as soup first, then enjoy the solids with bread, fresh herbs, and pickles.