Step 1

Combine beef, egg, bread crumbs, garlic, oregano, salt, black pepper and red pepper in medium bowl; mix gently. Shape into 16 meatballs (1 1/2-inch).

Step 2

Pour pasta sauce into Instant Pot®. Add meatballs to sauce; turn to coat and submerge meatballs in sauce.

Step 3

Secure lid and move pressure release valve to Sealing position. Press Manual or Pressure Cook; cook at high pressure 8 minutes.

Step 4

When cooking is complete, press Cancel and use quick release. Serve meatballs and sauce over spaghetti; top with basil and cheese, if desired.