In a large bowl, mix flour, salt, and water until a soft dough forms. Knead for about 5 minutes until smooth and elastic.

Cover the dough with a damp cloth and let it rest for 30 minutes.

In a skillet, heat oil over medium heat. Add thinly sliced onions and sauté until they are golden and caramelized, about 10-12 minutes.

Once rested, divide the dough into equal portions (about 6). Roll each piece into a ball, then flatten gently with your palms.

On a floured surface, roll each ball into a flat circle about ¼ inch thick.

Heat a skillet or griddle over medium-high heat. Cook each flatbread for about 2-3 minutes on each side until golden brown.

Remove from heat and immediately top with the sautéed onions while still warm.