Heat the vegetable oil in a large skillet or comal over medium heat.
2
Add the dried chile de árbol and garlic cloves to the hot oil. Toast them gently for 1-2 minutes, stirring constantly, until fragrant and the garlic is lightly golden. Be careful not to burn the chiles.
3
Remove the toasted dried chile de árbol and garlic cloves from the skillet and set aside on a plate.