Bring water and baking soda to a boil. In the meantime slice your pizza dough into 8-10 pieces . If you spray your knife with cooking spray it will keep it from sticking .once water is boiling submerge your dough slices for about a minute each . Remove and place on grease cookie sheet . Bake at 400 degrees Fahrenheit for 15 minutes . Make cheese sauce while waiting . Melt butter mix in flour. Let cook for a minute stirring continuously. Then slowly add two cups of milk . Once simmering and thick . Add cheese , mustard and seasoning . Let that simmer on low stirring often , till cheese is melted and warmed through . Once rolls are done dip in butter and sprinkle with salt . Then enjoy