Heat oil in an extra large skillet over medium heat.
Add shallot and garlic. Saute until golden about 2 minutes, stirring often and lowering heat to med low if it seems too hot. Add chili, saute 1-2 minutes.
Add corn, spices, salt and pepper. Saute for a few minutes, stirring frequently. Add a splash of stock or water and the lime juice, stir, cover and steam for 3-4 minutes. Fold in the optional feta ( or cojito cheese) and half of the cilantro. Taste, adjust salt.
Serve warm in a bowl and top with more cilantro and crumbed feta.