Combine beef, sliced mushrooms, shallot, garlic, herbs de provence, salt and pepper in the instant pot.
Pour wine over the top.
Place the lid on the pot and make sure the steam valve is sealed.
Select the meat/stew function and set the timer for 20 minutes.
When the time is up, quick release the steam, release all remaining pressure and remove lid.
Turn on the sauté function.
Whisk together beef stock and flour.
Stir into the pot, bring mixture to a boil and cook until sauce is thickened.
Stir in sour cream.
Place beef tips over mashed potatoes, rice or egg noodles - use your favorite!
If you're using your slow cooker - follow the directions above, cover and cook on high for 4-6 hours or on low for 8-10 hours, until meat is very tender.
Notes
**Please note the recipe nutrition facts does not include the mashed potatoes or egg noodles or rice factored in - please add that in as applicable.