Season beef with salt and pepper and toss in flour to coat.
In a large skillet over medium-high heat, or in the insert of your instant pot if you’re using that, melt butter. Add beef in batches and sear on all sides until brown and crusty. Remove to a plate and continue searing beef until complete.
Add onions and cook briefly, just 2 minutes or so, scraping up bits from bottom of pan with a wooden spoon.
TO MAKE IN THE SLOW COOKER:
Read more on next page
ADVERTISEMENT
