Rinse 1 cup chana dal thoroughly
Soak the dal in water for 30 minutes to 2 hours
Drain the soaked dal
Heat 2 tablespoons oil or ghee in a pot
Add 1 teaspoon cumin seeds
Add 1 chopped onion and sauté until golden
Add 1 tablespoon ginger-garlic paste and cook briefly
Add 1 chopped tomato
Add 1/2 teaspoon turmeric powder
Add 1 teaspoon red chili powder
Add 1 teaspoon coriander powder
Add salt to taste
Cook until the tomatoes soften
Add the drained chana dal
Add 3 to 4 cups water
Stir well
Cover and cook until the dal becomes soft
Add more water if needed while cooking
Mash lightly if a thicker texture is desired
Add garam masala
Garnish with chopped coriander leaves
Serve hot with rice or roti