Step 1

Take a bowl and crumble the slices of white bread. Add the milk to the bread and let the bread soak up

Step 2

Whisk the egg and set it aside

Step 3

Take another bowl and add the ground beef. Then add the soaked bread and half the whisked egg. Add the onion, mustard, ketchup, salt, and pepper

Step 4

Wash your hands and mix all the ingredients together with your hands. You will see the mixture come together

Step 5

Divide the meat into 6 to 8 equal-sized meatballs

Step 6

Take your pressure cooker and set it to Sauté. Add a drizzle of olive oil or butter before adding the meatballs

Step 7

Brown the meatballs on all sides. Add a cup of water, 1 tablespoon of sweet soy sauce, and 1 teaspoon of Sriracha sauce

Step 8

Stir the sauce through. When water is bubbling turn off the Sauté function. Lock the lid on and turn the pressure valve to the sealing position

Step 9

Select the Manual or Pressure Cook button and cook on HIGH pressure for 8 minutes

Step 10

When the cooking time is up, let the pressure naturally release for 5 minutes. Then quick release the remaining pressure

Step 11

Serve the meatballs as desired