01 -
Warm olive oil in a large heavy skillet over medium heat. Add the entire contents of the cooked beans, including their liquid.
02 -
Once the beans reach a gentle simmer, use a potato masher or sturdy fork to mash and stir the beans until mostly smooth, leaving some small pieces for texture.
03 -
Add garlic salt and ground cumin, stirring thoroughly to combine. If desired, stir in salsa for additional flavor. Continue to cook, stirring occasionally, until thickened to your preferred consistency.
04 -
Remove skillet from heat. Transfer beans to a serving bowl and garnish with crumbled queso fresco and fresh cilantro. Serve hot.