Mix masa harina with warm water and a little salt until a soft dough forms
Divide the dough into equal balls
Flatten each ball into a thick disc
Heat a skillet or griddle over medium heat
Cook the gorditas for a few minutes on each side until lightly browned and cooked through
Remove from the heat and let them cool slightly
Split each gordita open with a knife or your fingers to form a pocket
Fill with beans, cheese, meat, or your preferred filling
Serve warm