Filet Mignon with Bone Marrow Butter

Rating: 5.00
(1)
By Dave
June 23, 2022
Yum

Filet Mignon with bone marrow butter is the ultimate in a decadent steak. The bone marrow butter adds a beefy goodness to an already great steak.

Filet Mignon with Bone Marrow Butter

I love a good steak. My dad really liked a good steak. I fondly remember him trying to grill a New York strip on a homemade gas barbecue built over 8″ lava rocks. The fat from the steak would create a flare up on the lava rock that could be seen from the moon. Fortunately, you don’t need to do it yourself. Any halfway decent barbecue will make a great steak. My favorite steak is Filet Mignon with bone marrow butter.

Filet Mignon With Bone Marrow Butter
Filet Mignon With Bone Marrow Butter

How to Buy Filet Mignon

I like to buy a prime, peeled tenderloin and cut huge 2″ to 2.5″ steaks out of the center. I trim off and save the head and tail sections for other great dishes, like breakfast tacos. Most butcher shops and markets sell two types of beef tenderloins, peeled and unpeeled. It cost a little bit more to get a peeled tenderloin but it’s worth it. An unpeeled tenderloin has a fair amount of extra fat, silver, and unusable meat that needs to be removed before cutting it into steaks. An unpeeled tenderloin may cost less, but there is a lot of waste. I would rather eat a steak than work that hard getting one.

A Peeled Beef Tenderloin
A Peeled Beef Tenderloin

There are two reasons to buy a peeled tenderloin rather than pre-cut steaks. First, you can cut nice thick steaks any size you want. Most cut steaks in my market are only 1″ – 1.5″ thick and that just will not do. I like my steak medium rare so I want a nice thick portion that is medium rare throughout. Remember, a steak will shrink on the grill. A 1.5″ steak out of the package will be only 1″ thick when cooked.

The second reason is that all of the steak that you cut from a peeled tenderloin will be consistent. Have you ever noticed a package of steaks where some of the steaks are light in color and others are very dark? Well those dark steaks are not good. They are called “heated” in butcher terms and that means the animal was stressed before slaughter. It does not make for a good steak. Just buy a tenderloin.

Cutting Steaks from a Peeled Beef Tenderloin
Cutting Steaks from a Peeled Beef Tenderloin

Roast the Bones

Most butcher shops and markets will carry bones that have been split lengthwise. Place them cut side up in a shallow pan and bake them for about 20 minutes at 375˚F. The bone marrow will transform from a firm, whitish material to something soft and gooey.

Bone Marrow Ready to Roast
Bone Marrow Ready to Roast
Roasted Bone Marrow
Roasted Bone Marrow

Let the bones cool a bit then scrape out all of the roasted bone marrow with a spoon and set aside.

Remove the Bone Marrow from the Bone
Remove the Bone Marrow from the Bone

Make the Bone Marrow Butter

After the bone marrow has cooled, mix it with the remaining ingredients for the bone marrow butter in a small bowl. Form a log on wax paper, roll it up and twist the ends. A sushi mat works wells for this task. Refrigerate the bone marrow butter for at least an hour before serving.

Mix the Ingredients for the Bone Marrow Butter
Mix the Ingredients for the Bone Marrow Butter

Grill the Steaks

Take your steaks out of the refrigerator and let them warm up a bit before grilling. Otherwise, you will have a 34˚F steak go on a 500˚F grill and by the time the inside reaches medium rare the outside will be far too done.

Cut Fillets Ready to Grill
Cut Fillets Ready to Grill

Another great way to cook steaks is sous-vide with a reverse sear. This is becoming more common in the restaurant business. Steaks are sealed with a little butter in food saver bags and pre-cooked to about 120˚F in a water bath. Since the water is also 120˚F the steaks will never go beyond that. Simply pre-cook a steak in a sous-vide bath then finish it on a hot grill to char the outside and get some nice grill marks. You will never overcook a steak again.

Fillets on the Sear Grill
Fillets on the Sear Grill

Some Other Tasty Meat Recipes

Watch the Filet Mignon with Bone Marrow Butter on YouTube

Filet Mignon With Bone Marrow Butter

Filet Mignon with Bone Marrow Butter

5 from 1 vote
Filet Mignon is the most tender steak available. Top it with some bone marrow butter and it is out of this world. It's easy and delicious!
Servings 4 servings
Prep Time 30 mins
Cook Time 1 hr
Total Time 1 hr 30 mins

Equipment

  • Grill

Ingredients
  

Bone Marrow Butter

  • 2 beef bones split
  • 6 oz salted butter
  • 1 shallot diced
  • 1/4 cup chives diced

Filet Mignon

  • 32 oz filet mignon
  • 1/2 tsp kosher salt
  • 1/2 tsp black pepper

Instructions
 

  • Roast the bones at 375 degrees for 15 – 20 minutes until bone marrow is soft. Let cool for 10 minutes.
    Bone Marrow Ready to Roast
  • Remove bone marrow with a spoon and combine with butter, shallots and chives. Roll into a log and refrigerate for two hours. Slice in 1/2" rounds. S
    Remove the Bone Marrow from the Bone
  • Grill your fillet to your liking (I suggest medium rare) and top it with a sliced round of the bone marrow butter. Enjoy!
    Fillets on the Sear Grill

Video

Notes

PAID AFFILIATE LINKS
 
BBQ Tools & Supplies
 
 
 

Nutrition

Serving: 8ozCalories: 932kcalCarbohydrates: 1gProtein: 42gFat: 84gSaturated Fat: 42gPolyunsaturated Fat: 3gMonounsaturated Fat: 30gTrans Fat: 1gCholesterol: 250mgSodium: 706mgPotassium: 731mgFiber: 1gSugar: 1gVitamin A: 1173IUVitamin C: 2mgCalcium: 32mgIron: 5mg
Calories: 932kcal
Cost: $60
Course: Main Course
Cuisine: American
Keyword: bone marrow butter, filet mignon, steak

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