This is a very popular sandwich in the city of La Paz. There is even a famous park called Las Cholas where it is sold.

It's called sándwich de chola because generally the cholitas (affectionate name for indigenous women) prepare it.

Recipe 

Ingredients

- 1 pork shank (small)

- 2 lemons

- 6 cloves of garlic

- 4 red chili pepper pods (ají colorado in Bolivia)

- 1 small packet of baking soda

- 3 onions

- 15 sandwich buns

- pickled onions and carrots

- black pepper

- cumin

- tomato

Preparation

- Marinate the pork shank overnight in salt water and rinse the next day.

- Mix the seeded chili peppers with garlic, onion, black pepper and cumin, then use it to season the pork.

- Rub lemon and soda over the pork so it will become crisp.

- Place seasoned pork in the sun for about 10 minutes.

- Bake in moderate oven for 1 hour.

- Cut pork into fine pieces as soon as it's out of the oven.

- Make a salad of the tomatoes and onions.  

- Cut the buns in half, fill with pork, salad, pickled vegetables and a little hot sauce (llajwa - Bolivian hot sauce is best).