Steak House Mushrooms in Foil Packet

Steak House Mushrooms in Foil Packet

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 I know, I know, when you go to a steak house you're suppose to be focused on the steaks. And I absolutely am - but I am also in love with sides! Especially the mushrooms that come out hot on the mini iron skillets. Since I don't have a mini iron skillet, or want to use a lot of butter, I've created my own SUPER EASY way to cook the steak house mushrooms in a foil packet! 

I use 16 oz of mushrooms - which equals to two small containers. I've used all sorts of mushrooms so use whichever kind you like (or whatever kind are on sale like I do). 

You're not 'suppose' to wash mushrooms, but I give them a little rinse and then lightly dry with a paper towel. 

Once clean, I take a long sheet of foil to create a packet. I pinch up with sides of the foil to make it easier when I seal the entire thing up.

Make sure you pinch it upwards. 

Next - add about 1/4 of a cup of olive oil to coat the mushrooms. I add everything directly to the foil packet because it makes for less cleanup.

Next, add 3 tablespoons of Worcestershire and soy sauce to the mushrooms. 

Next, add one tablespoon of chopped garlic. 

(Yes, this came out of a jar because I was using up things from my fridge and this is what I had on hand. This is a no judgement place.)

Add pepper to the top. 

Next, create your sealed foil pack. Once the foil is tightly pressed from top to bottom I shake around everything inside. 

So make sure you really seal the top and bottom together so you don't slosh everything out. 

I put the mushrooms in a 400 degree oven for about an hour to an hour and a half. 

To me, the longer the better. The mushrooms soak up all the flavor of the juices and take on a whole new life. 

This is the only way I will eat mushrooms. They are so tender, juicy and are a perfect side to your meal. Serve along side of your steak and baked potato, or a pork tenderloin! Perfect to please everyone. They also make for great leftovers!

Steak House Mushrooms in Foil Packet
Prep-time: 10 min
Cook time: 1 1/2 hours 
Serves 2-4

  • 16 ounces of mushrooms (two small containers)
  • 1/3 olive oil 
  • 3 tablespoons Worcestershire
  • 3 tablespoons soy sauce 
  • 1 tablespoons chopped garlic 
  • Pepper to taste 
Will need long sheet of foil 


  • Take long sheet of foil and fold in half. On one half, fold the edges up to make a box like. 
  • Add the mushrooms to the foil packet. 
  • Add the Worcestershire, soy sauce, chopped garlic and pepper to the mushrooms. 
  • Fold the foil packet. 
  • Shake it gently for everything to get coated. 
  • Place in a 400 degree oven for 1 - 1 1/2 hours. (The longer the better to me!) 

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