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Appetizers, Archive, Food, Sandwiches, Snacks, Uncategorized, Vegetarian  /  April 30, 2026

Truffle Mushroom Tea Sandwiches

by Olivia Lam
Jump to Recipe
2 stacked Truffle Mushroom Tea Sandwiches

Happy Accidents

I first made these Truffle Mushroom Tea Sandwiches for my sister’s birthday party. To be honest, I concocted the recipe on the spot, simply throwing ingredients I thought would go well together. Little did I know, these unassuming sandwiches would become the most popular dish of the night. Guests were grabbing these left and right. They later told me they had to reign in their self control to reserve some for other guests. I was surprised these sandwiches received so much attention, but I can’t blame them because they were pretty damn good. These sandwiches have a creamy and herby mushroom filling sandwiched between fluffy slices of milk bread. They’re delicate and delicious, and I’m going to show you how to make them!

3 Truffle Mushroom Tea Sandwiches on a plate

Truffle and Cheese

We’ll start by cooking the mushrooms for the filling. I used a mixture of baby bella and oyster mushrooms, but you can use your preferred mixture of mushrooms — just make sure that it’s the same total amount. So heat a pan over medium high heat. Pour in the olive oil. Add in both of the chopped mushroom and sauté for 3 minutes. Mix in the garlic, kosher salt, and pepper. Continue to cook for another 3-4 minutes until the mushrooms have browned and are not longer releasing any moisture. Remove the pan from heat and mix in the truffle oil. Set the mushrooms aside to cool.

Once the mushrooms have cooled, transfer them into a mixing bowl. Add in the boursin, mayo, chives, and dill. Mix everything together until well combined. Taste the filling and adjust the seasoning with salt and pepper if necessary. Spread a layer of the mushroom mixture onto a slice of milk bread. Top with another slice of bread. Slice off the crust on all sides then slice each sandwich into 3 smaller rectangular sandwiches. Repeat with the remaining slices of bread to make the sandwiches.

Truffle Mushroom Tea Sandwiches stacked on top of each other

The Key Ingredients

I love these Truffle Mushroom Tea Sandwiches because they’re incredibly tasty and so easy to make. The star ingredients that I think really take these sandwiches to the next level are the: truffle oil, Boursin cheese, and milk bread. The mushrooms have an umami flavor but the truffle oil adds an element of butteriness that’s complimented by the creaminess of the filling. I think Boursin cheese is a great ingredient in general when it comes to cooking. So much work is already taken care of in the Boursin cheese itself. It’s packed with a garlicky herb flavor, so it’s bound to impart that onto anything it’s mixed with. The milk bread is an absolute must for this recipe. It’s fluffy and the texture almost has a flaky layered quality that adds a nice chew to every bite. Altogether, these ingredients make for the most delicious snack. These Truffle Mushroom Tea Sandwiches are great for picnics, parties, a mid day snack, and of course a tea party. Try this recipe out and let me know what you think in the comments below!

overhead close up of Truffle Mushroom Tea Sandwiches

Truffle Mushroom Tea Sandwiches

Olivia Lam
Fluffy milk bread sandwiches filled with a creamy and herby assorted mushroom mix!
Print Recipe Pin Recipe
Prep Time 35 minutes mins
Cook Time 5 minutes mins
Total Time 40 minutes mins
Servings 12 tea sandwiches

Ingredients
  

  • 1 tbsp Olive Oil
  • 8 oz Baby Bella (finely chopped)
  • 4 oz Oyster Mushrooms (finely chopped)
  • 1 Garlic Clove (minced)
  • ½ tsp Kosher Salt
  • ¼ tsp Black Pepper
  • 1 ½ tsp White Truffle Oil
  • 2.65 oz Garlic and Fine Herbs Boursin at room temperature (half a boursin)
  • 3 tbsp Kewpie Mayo or Regular Mayo
  • 1 tbsp Chopped Chives
  • 1 tbsp Chopped Dill
  • 8 slices Milk Bread

Instructions
 

  • Heat a pan over medium high heat. Pour in the olive oil. Add in both of the chopped mushroom and sauté for 3 minutes. Mix in the garlic, kosher salt, and pepper. Continue to cook for another 3-4 minutes until the mushrooms have browned and are not longer releasing any moisture. Remove the pan from heat and mix in the truffle oil. Set the mushrooms aside to cool.
  • Once the mushrooms have cooled, transfer them into a mixing bowl. Add in the boursin, mayo, chives, and dill. Mix everything together until well combined. Taste the filling and adjust the seasoning with salt and pepper if necessary.
  • Spread a layer of the mushroom mixture onto a slice of milk bread. Top with another slice of bread. Slice off the crust on all sides then slice each sandwich into 3 smaller rectangular sandwiches. Repeat with the remaining slices of bread to make the sandwiches. Enjoy!

Hungry for more?

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Tags

  • appetizers
  • archive
  • food
  • mushroom
  • sandwiches
  • snacks
  • truffle
  • truffle mushroom tea sandwiches
  • vegetarian

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