Preheat oven 200°C, gas mark 6. Rub the skin of the potatoes in the garlic oil and a little sea salt. Place on a baking tray and pop in the oven to cook for 30 minutes until soft and giving way.
Fry the chorizo until crisp in a large frying pan with a teaspoon of olive oil. Remove from the pan and keep warm.
Stir the chipotle paste into the crème fraîche. Take the potatoes out of the oven, place onto a plate and cut a slit down the middle. Add a dollop of the chipotle cream, pile with crispy chorizo and scatter with the jalapeno. Top with the coriander leaves and serve immediately.