Egg Bhurji (Indian Scrambled Eggs)

Name: Egg Bhurji (Indian Scrambled Eggs)
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Indian
Ingredients: 2 Tbsp butter; 1 Tbsp oil; 1 tsp cumin seeds (optional); 1.5 medium onion, diced small; 2 medium tomatoes, diced small; 1 jalapeño or Serrano, finely chopped; 2 tsp Kashmiri red chili powder (see note 1); 1 tsp coriander powder; 1/8 tsp turmeric powder; 6-7 eggs, lightly beaten; big handful of cilantro, chopped; salt to taste; pepper to taste