Measure the olive oil into the Instant Pot. Add in the tomatoes, minced garlic, and sprinkle with salt and pepper.
Stir in water and chicken bouillon. Add pasta, red pepper flakes, Italian seasoning, basil, and feta.
Put the lid on and lock it into place. Make sure the vent is sealed.
Press PRESSURE COOK. Select HIGH and adjust the time to 4 minutes.
Manually release the pressure. Unlock and remove the lid.
Salt and pepper to taste.
Garnish with feta and parsley.
Serve.