Serves 4 to 5 • 4 Tbs. butter • 1 onion, peeled and chopped • 1 to 2 cloves garlic, minced • ½ tsp. mustard seeds • ½ tsp. turmeric • ½ tsp. ginger • ¼ tsp. cayenne pepper, and more to taste • ½ tsp. salt, and more to taste • ½ tsp. ground cumin • ¼ tsp. cinnamon • 1...
