Take a microwave-safe bowl and mix cream cheese with mozzarella cheese in it.
Microwave the bowl for 1 minute. Then take it out, stir the mixture and microwave for another 30 seconds or so
Now, put the cheese in a food processor along with the egg. Keep processing until the mixture runs smooth.
Add the dry ingredients to the food processor and keep processing until a sticky dough forms.
Take it out and let it cool in the freezer for a few minutes.
Preheat the microwave to 400F and place a tray in the oven.
Line the baking tray with parchment paper.
Now, remove the hamburger bun dough from the freezer and divide it into 5 equal pieces.
Rub a little oil on your hands and then roll each dough part into a ball.
Put all the balls on the parchment paper and gently flatten each of them.
Bake the buns for 12 minutes or until they turn brown
Remove the buns from the microwave and let them cool while letting them stay on the baking sheet for some minutes
Have them served right away or store them in an airtight container and inside the refrigerator. Consume within 10 days from the day of cooking