Set Instant Pot to "Sauté" mode. Heat oil, sauté onion, garlic, carrot, and celery for 2-3 mins until soft.
Add ground meat, break it up, and brown for 5-7 mins.
Step 3: Add Paste & Spices
Stir in tomato paste, oregano, and basil. Cook 1-2 mins for flavor.