Process all ingredients in your food processor or blender until the batter is smooth. Use 1 cup of water if you plan to make thicker/smaller tortillas for tacos. Use about 1 1/8 cup of water if you want to make thinner/bigger tortillas for e.g. burritos.
Pour about 1/3 cup of the batter into a non-stick skillet. You can add a few drops of oil to the skillet but I made the experience that the tortillas turn out great without oil. Make sure to use a non-stick skillet.
Cook for two minutes on low-medium heat, flip the tortilla and cook on the other side for about one minute. Enjoy your healthy spinach tortillas!