Finely chop the lettuce and slice the tomatoes. Set aside.

In a pot, boil the potatoes until tender. Peel and mash them with a potato masher. Set aside.

Heat the refried beans.

In a skillet with oil, fry each tortilla folded in half until golden and crispy. Drain to remove excess oil.

Once the tortillas are crispy, fill them with some mashed potato and refried beans. Arrange them on a plate.

Top the tacos with lettuce, tomato, and sour cream. If you like, you can also add avocado, cucumber, and your favorite salsa. Enjoy!