Saag Gosht (Punjabi Beef Spinach Curry)

Name: Saag Gosht (Punjabi Beef Spinach Curry)
Prep time: 10 min
Cook time: 2 h
Total time: 2 h 10 min
Cuisine: Indian
Ingredients: 1 1/2 pounds beef chuck or lamb (, cut into 1/2 inch cubes, patted dry and sprinkled with salt and pepper); 1 tablespoon extra virgin olive oil; 1 tablespoon ghee; 1 large yellow onion (, thinly sliced (about 2 cups)); 2 cloves garlic (, minced); 1 tablespoons fresh ginger (, minced); 1 teaspoon ground cumin; 1 teaspoon ground coriander; 1 teaspoon sweet paprika; 1/2 teaspoon turmeric; 1/8 teaspoon ground cloves; 1/8 teaspoon ground cinnamon; 1/2 teaspoon garam masala; 1 tablespoon tomato paste; 2 roma tomatoes (, chopped); 2 tablespoons plain whole fat yogurt; 2 cups beef stock; 5 green cardamom pods; 1 bay leaf; 1/2 teaspoon salt; 10 ounce package frozen chopped spinach (, thawed and thoroughly drained)