Smoked Brisket Flat Recipe: Lean Meat Never Tasted so Good!

Last Updated:
January 25, 2024

The key to smoking a good brisket flat is to buy either choice or prime grade and one with the fat cap left in-tact.

That way you get moist tender meat, accompanied by a rendered layer of fat cap.

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Trimming the Brisket Flat

Assuming you’re working with a brisket flat with a fat cap, you want to trim roughly to a 1/4″ of fat.

brisket flat trimmed

If you’re having a hard time determining how much fat to shave off, you can make “peak” cuts into the fat cap to see how far down it goes.

Like this:

brisket flat peak cut

I’d also suggest trimming portions of the flat so that the meat is roughly the same thickness – if you don’t, the thin half will likely dry out and/or overcook.

Here’s the thin side:

brisket flat thin end

Here’s the thick side:

thick end brisket flat

Rub for Smoked Brisket Flat

smoke trails bbq imitation brisket rub

This rub goes great with Brisket:

  • 1/2 Cup 16 Mesh Black Pepper
  • 2 Tbsp 16 Mesh Black Pepper
  • 1 Tsp Paprika
  • 2.5 Tbsp Cured Sumac
  • 1/4 Cup Diamond Crystal Kosher Salt
  • 1/2 Tbsp Table Salt
  • 1/4 Tsp Celery Salt
  • 1 Tsp White Sugar
  • 1 Tbsp Granulated Garlic
  • 1/2 Tbsp Granulated Onion
  • 1 Tsp Granulated Onion

Apply the above liberally to both sides.

The above rub is a modification of Steve Gow’s Brisket Rub – here’s a link to buy his if you don’t want to make your own.

Get Your Smoker to 225 – 250F

Get your smoker setup to around 225 to 250F.

Once at 225F, add a chunk of your favorite hardwood – I used cherry because that’s all I had on hand but post-oak is my favorite with brisket.

When placing your brisket on the smoker, I’d strongly suggest pointing the fat cap toward the heat source.

On my Weber Kettle, the heat is from the top so my brisket is fat side up the entire time, like this:

brisket flat fat side up

If you’re unsure of where the heat is on your smoker here’s a table I created. It tells whether to put your brisket fat side up, down, or even flipped half-way through.

Every hour or so add a new chunk of wood.

Foil Boating the Brisket Flat

Once you’re happy with the bark (around 175F internal), take the brisket flat off the smoker and wrap it in a foil boat.

Lay out two sheets of aluminum foil, place the smoked brisket flat on top and then crinkle the foil around the edges so that the fat side is exposed and the meat side is “boated.”

Like this:

foil boated brisket flat

Leaving the fat side exposed allows for a crunchier bark and for the fat side to continue to render.

Once boated, place back on your smoker or in your oven set to 250F until it’s tender.

Take off the Smoker When the Brisket is Tender

Brisket will typically be tender at around 200 to 205F.

You can take a toothpick or your probe thermometer and probe the meat. It should feel like you’re probing a jar of peanut butter or a warm stick of butter.

Like this:

Probing Brisket Example

The above video is a full brisket but the sentiment is the same. I even dropped the probe which tore a hole in my foil – the point is to show that you want NO resistance.

Once tender, take the brisket out of the smoker.

Resting and/or Holding Overnight

If you’re planning to eat the brisket the same day, rest in the foil boat for 2 hours in your oven or until the internal is 160F, then slice and enjoy.

If you’re planning to eat the meat the next day, don’t rest the meat and instead leave foil boated and place into your oven at the lowest temperature setting.

I used my electric smoker set to 185F (this temperature keeps my internal at ~150F – a food safe temperature).

Slicing the Brisket

When it comes time to slice your brisket, simply slice against the grain creating pencil thin slices.

smoked brisket flat recipe

These slices are for my lunches for the week – I use them on toasted sourdough bread with horseradish and dijon mustard.

sliced brisket flat

Smoked Brisket Flat

Lean meat never tasted so good!
Prep Time15 minutes
Active Time8 hours 30 minutes
Resting Time12 hours
Total Time20 hours 45 minutes
Course: Main Course
Cuisine: American

Ingredients

  • 3 lb Brisket Flat Ideally with a fat cap

Brisket Rub

  • 1/2 Cup 16 Mesh Black Pepper
  • 2 Tbsp 16 Mesh Black Pepper
  • 1 Tsp Paprika
  • 2.5 Tbsp Cured Sumac
  • 1/4 Cup Diamond Crystal Kosher Salt
  • 1/2 Tbsp Table Salt
  • 1/4 Tsp Celery Salt
  • 1 Tsp White Sugar
  • 1 Tbsp Granulated Garlic
  • 1/2 Tbsp Granulated Onion
  • 1 Tsp Granulated Onion

Instructions

  • Trim brisket flat to have roughly 1/4" fat cap. Trim the meat so that it's roughly the same thickness.
  • Combine rub ingredients in the specified quantities. Liberally apply rub to both sides of the brisket.
  • Get your smoker to 225-250F. Add your favorite hardwood – I used cherry.
  • Put your brisket flat on the smoker so that the fat side is toward the heat source.
  • Smoke the brisket flat until you're happy with the bark. For me this is always around 175-180F internal.
  • Foil boat the brisket with a sheet of heavy duty aluminum foil. Crinkle the foil around the edges and leave the fat cap exposed.
  • Put the brisket back on the smoker or in your oven set to 250F.
    Allow it to continue cooking until it's tender – usually this happens at around 200-205F internal.
  • If you're eating the brisket the same day, take the brisket off the smoker and allow it to rest for 2 hours, then slice and enjoy.
  • If you're eating the brisket the next day, don't rest the brisket and instead set your oven to the lowest temperature setting.
    Put the brisket in the oven and hot hold until the next day.
    Then the next day, take out and slice against the grain and enjoy!

Notes

If you’re after a BBQ sauce recipe to pair with this one, consider my Texas-style table sauce.
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Dylan Clay
Dylan Clay is a pitmaster based in New Hampshire, with over 17 years of experience in grilling, smoking, and dehydrating meat. Throughout this time, he has worked with nearly every cut of meat. In 2019, he launched the Barbecue FAQ website to share his extensive knowledge about all things meat, aiming to assist others in making better barbecue at home.

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