Saag Paneer But With Feta

Name: Saag Paneer, But With Feta
Ingredients: ¼ cup plus 2 Tbsp. ghee or extra-virgin olive oil; 2 Tbsp. coriander seeds; ¼ tsp. ground cardamom; 1 small onion, chopped; 1 garlic clove, finely chopped; 1 1½ piece ginger, peeled, chopped; 1 lb. baby spinach (about 12 cups); 1 small Indian green chile or serrano chile, coarsely chopped; 1½ tsp. fresh lime juice; Kosher salt; 6 oz. feta, cut into 1 pieces; 1 tsp. cumin seeds; ¼ tsp. asafetida (optional); ¼ tsp. red chili powder; Roti or rice (for serving)