Add 1-2 Tbsp olive oil to the pot, minced garlic, and onion. Press the Saute function. After a minute or two, add the hamburger to the pot to brown.
Once the hamburger is browned, press cancel, drain any grease if there is any and scrape any bits off of the bottom to prevent the burn signal.
Add spaghetti sauce on top of the meat. Mix to combine.
Add 4 cups of noodles on top of the meat and sauce mixture.
Add water on top of the noodles. Do NOT mix. Gently press any noodles down that are not submerged in mixture. Add cleaned and sliced mushrooms on top of the noodles.
Place the lid on your pot. Secure and set pressure cook time to 4 minutes.
When the pressure cycle is done, quick release the pressure.
Stir in cottage cheese and add mozzarella on top.
Place lid back on to trap the heat. Let sit until all is melted and delicious!