Green plantain empanadas with cheese filling {Empanadas de verde}

For the green plantain empanada dough:

green plantains

egg – optional, can use some of the cooking water from the plantains instead of the egg

butter, room temperature – or oil

~ 1 teaspoon of salt

For the cheese filling:

grated or crumbled cheese, can use quesillo, queso fresco, or mozzarella

finely diced white onion or scallions

Oil for frying

Dipping/toppings suggestions:

Aji criollo hot sauce

Tamarillo or tree tomato aji hot sauce

Cebollas encurtidas or pickled red onions