Chop the whole bag of baby spinach, large cuts are fine, and add to a medium sized bowl.
Then add in the cubed onions, sumac, salt, lemon or citric acid, kamooni or cumin, and olive oil. Mix Very well. Taste the mix to slightly adjust the salt and lemon. You want it to taste slightly lemony.
Preheat over to 500 F
Form 2 inch sized dough balls. Using your hands spread into a round shape, add a spoonful of the spinach mix and add to the center of the round spread dough.
Now to shape into triangles, fold one side from right to left, then from the other side fold from left to right so they over lap. one side of the dough half way over the spinach mix. Finally fold the bottom dough over.
Pinch any open ends to form the points of the triangle. Flip the spinach pie so that side is facing down and the smooth side is facing up.
Spinach pie onto a sprayed baking sheet, where the smooth size is up and the folded ends are facing down to the baking sheet.
Bake for 12-13 minutes, then broil of high heat until slightly golden on top. Enjoy warm or cold!