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Keto Beef Steak with Herbed Butter

Filet Mignon – Beef Tenderloin –  Beef Undercut

Beef Tenderloin or Filet Mignon is the Rolls Royce of steak cuts. It’s incredibly tender and juicy. Today I’m cooking up some filet steak with a delicious herb butter. Now I must confess that the meat I’m using is water buffalo, not cow. I won’t get into the how or why of things but let me just say that the meat is very lean, filet steak is lean anyway but the water buffalo we eat is a working animal and in general their meat is quite tough. However the filet is always tender.

Is calling a steak Keto steak just moot?

Macros for this dish will depend on the size of your steak and for the butter just add plain butter because the other stuff doesn’t add anything much in terms of macros. And yep a steak cooked with salt and pepper is Keto, so do we call it a Keto steak? or just steak? Anyway it’s a good idea to play around with the flavours of the butter. You can use any kind of herbs you like, I’d also go as far as to make a blue cheese butter since I think blue cheese and beef are a match made in heaven. Anyway have fun experimenting.


Keto Beef Steak

Herbed Butter

A delicious herb butter to top your steak with
4.25 from 4 votes
Prep Time 5 minutes
Total Time 5 minutes
Course Main Dish
Cuisine General
Servings 2 servings


  • 4 tbsp Salted Butter I recommend this one
  • Fresh Herbs of Choice (Tarragon and Parsley)
  • Minced Garlic (To Taste)
  • Pepper


  • Allow the butter to soften at room temprature
  • Add in the herbs, pepper and garlic
  • Mix well
  • Use on grilled meat
Tried this recipe?Let us know how it was!

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