Punjabi Dal Makhani

Name: Punjabi Dal Makhani
Prep time: 8 h
Cook time: 20 min
Total time: 8 h 20 min
Cuisine: Asian
Ingredients: 3/4 cup Urad Dal (black matpe beans); 1/4 cup red kidney beans (rajmah); 2 teaspoons cumin seeds; 8 garlic cloves, chopped; 2 inches gingerroot, chopped; 1 teaspoon garam masala powder; 1/2 cup fresh cream; 1 teaspoon red chili powder; 3 tablespoons butter; 2 tomatoes, chopped (extra large tomatoes); 1 onion, chopped; 1 tablespoon oil; salt