Pre-heat oven to 350

Peel and chop your plantains and place in a food processor.

Puree until somewhat pureed, and then add the melted lard, egg whites, salt and lime juice.

Puree until smooth.

Drop about 2 tablespoons at a time onto a baking sheet lined with a lightly greased sheet of parchment paper, 4 per standard baking sheet

Smooth into a circle with the bottom of a ladle, getting as thin as possible, switching to wet fingers once the ladle stops being efficient.

Bake for 15 minutes, until dry to the touch, and just starting to brown on the edges.