Step 1

1 Rub beef with salt and pepper. Spray 6-quart Instant Pot® insert with cooking spray. Select SAUTE; adjust to normal. Melt butter in insert. Add beef; cook 4 to 6 minutes on first side until browned. Turn and cook 4 to 6 minutes on second side until browned. Transfer to medium bowl using tongs.

Step 2

2 Add onions; cook 3 to 4 minutes or until softened and beginning to brown. Stir in broth. Select CANCEL. Stir in carrots, celery, garlic and thyme. Stir in potatoes. Add beef to mixture in insert.

Step 3

3 Secure lid; set pressure valve to SEALING. Select MANUAL; cook on high pressure 45 minutes. Select CANCEL. Set pressure valve to VENTING to quick-release pressure.

Step 4

4 Remove beef to serving platter. In small bowl, beat cornstarch and water with whisk. Select SAUTE, and adjust to normal; heat liquid to simmering. Gently stir in cornstarch mixture; cook 1 to 2 minutes, stirring frequently, until thickened. Select CANCEL. Serve vegetables with beef.