1. Heat the oil in a non-stick pan at medium heat and add the potatoes. Gently cook them for about 4 minutes stirring ocasionally.
2. Add the chorizo and mix well. Cook the potatoes with the chorizo until the chorizo is crispy and it has released all its ruby juices into the potatoes, this should take about 4 to 5 minutes.
3. Add the onions and chili and mix well cooking them until the onions have soften a little. Add the tomato and season to taste. Keep cooking and stirring occasionally for a further 5 minutes or until everything is cooked fully. Transfer to a serving bowl and keep warm while you heat some refried beans and your corn tortillas.
4. You are now ready to assemble your papas con chorizo tacos! Put the salsa, warm refried beans and warm corn tortillas on the table, give everybody a plate, plenty of servillets and let them loose in this quick and delicious dinner!
5. To make your taco, take a warm corn tortilla, spoon some of the chorizo and tato filling and some refried beans and top it up with some salsa. Fold your taco and eat it; delicious and quick!