Sambar Masala

Name: Sambar Masala
Ingredients: 2 tbsp. canola oil; 1⁄2 cup urad dal (skinned split black lentils); 1⁄4 cup chana dal (yellow split peas); 1⁄3 cup masoor dal (split red lentils); 1⁄4 cup coriander seeds; 1 1⁄2 tbsp. sesame seeds; 1 1⁄2 tsp. asafoetida; 1 1⁄2 tsp. cumin seeds; 22 fresh or frozen curry leaves; 10 chiles de árbol; 1 1⁄2 tsp. fenugreek seeds; 3 tbsp. kosher salt; 1 1⁄2 cups roasted chana dal