"Salt Dough Ornament Recipe" How To: Mix together 1/2 cup salt, 1/2 cup warm water, 1 cup flour. Roll out the dough and cut any shape you desire. Then poked large holes (for the string). Then bake them at 250° for around two hours (or until hard all the way through). Paint with acrylic and whatever else you would like for your ideal look, then done!