French Onion Steak

Submitted by Cheryl Barrett

French Onion Steak

5 from 1 vote
Serving: 3
Prep Time 20 minutes
Cook Time 4 hours
Total Time 4 hours 20 minutes


  • French Onion Soup (dry pkt mix)
  • 1/2 cup beef stock
  • 2 -3 x onions chopped in slices 1-2 cm thick
  • 3 rump or scotch fillet (woolies heart smart steak)
  • Gravy
  • 1x tomato
  • Salt and pepper
  • Worcestershire sce (few drops)
  • Butter


  • Place sliced onion on bottom of slow cooker bowl, with a good sploosh of stock.
  • Sear seasoned steak in frypan.
  • Remove steak and coat liberally with French onion soup.
  • Place in slow cooker with knob of butter either side and sliced tomato on top of steak.
  • 1 hour High +3-4 hours Low
  • Remove steak and add gravy to thickens I turn back up to high with few drops Worcestershire sauce (optional).
  • Then serve with either mash potato or potato bake and veg or corn on cob.
  • Pour gravy over and devour ?
  • Most importantly enjoy ?

16 thoughts on “French Onion Steak”

  1. I cooked this for my wife tonight while anticipating cooking my T bone on the bbq. Needless to say I regretted my t bone when I had a taste of my wife’s steak!!!!!

    I found the Worcestershire worked with just a couple of teaspoons of gravox. Served it on the mash as a base with steamed broccoli. Cannot recommend enough.

    I didn’t have the 4-5 hours to cook so I adjusted the cook times to 1.5 hrs high then 1.5 hrs low. Seemed to work if you only have 3 hrs, but probably best to stick to the recommended times for best results.

  2. A delicious dish enjoyed by all 3 in my household, will be putting this on the menu and it’s not often the 3 of us agree on meals

  3. Paulene @ Slow Cooker Central

    Made this tonight – loved it!
    Kids all enjoyed it too 🙂
    I left out the tomato as we aren’t big tomato fans
    I also didn’t do the pre browning stage but it didn’t matter at all.
    Thickened up the sauce in just a couple of minutes with the gravy and a good whisking.
    I might slightly reduce the soup mix to reduce the saltiness next time 🙂
    Enjoyed ours with a pile of fresh veg on the side.
    If you’ve been thinking of trying this one – do it 🙂

  4. Wow. What a nice flavour. The only issue I had was I think I overcooked it. The meat turned out a bit dry but it could have been two things. One, I didn’t use the meat mentioned in the recipe, I used silverside steak. Two, I really have to learn to adjust my cooking times because my new slow cooker cooks hotter, and I am finding I am overcooking everything. LOL. I just hate deviating from a recipe. I will learn, though.
    I will definitely be making this again.

  5. I make this regularly we love it except I always cut the steak into small pieces. I have 2 questions if anybody could answer?
    Is it necessary to have it on for an hour on high or could it be on maybe 5 hours low or something? I would love to be able to just turn it on and not have to worry about changing temp.
    Also without searing the steak first do you think I cold make this in a dump bag?

  6. Whole family loved this ? I just had it on low the entire time , and as I didn’t have a tomato I used tomato sauce instead. Oh a d forgot the gravy but it didn’t need it.
    Served with potato bake, delicious ?

    5 star ⭐️

  7. OMG this was amazing. I have had a lot of French Onion Steak over the years. But this is by far the best I have ever had. Will definitely be making this again

  8. 5 stars
    This is delicious. I used a blade roast cut into thick pieces, forgot to add the Worstsister sauce but meal was tasty enough without it. Made for the old fella to take for lunch and I will do mashed potatoes in the 1.5lt slow cooker as the side.

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