Potato and Mushroom Gratin

Potato and Mushroom Gratin

Potato and Mushroom Gratin

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Sliced mushrooms, gruyere cheese and potatoes in a basket are being prepped for Potato and Mushroom Gratin.

With Easter just around the corner, you’ll want to be dinner ready for family and friends. Hopefully, with some luck, the Covid-19 gathering restrictions will ease in my area and a modest gathering can take place. I do miss my family and friends, and I miss cooking for them. It’s the best part of any gathering, in my opinion. You’re gonna love this easy and delicious Potato and Mushroom Gratin. It feeds 8 people, it’s easy to assemble and bakes up golden and creamy every time. There’s no messing around with cooking a white sauce, there’s no boilovers and no pre-cooking potatoes. It’s a no-fuss casserole, loaded with earthy mushrooms and Gruyere cheese, and has become my favourite to serve with ham. It’s also fantastic served with roast chicken, pork or grilled steak.

Sauteed mushroom in a stainless steel skillet that have been cooked for Potato and Mushroom Gratin.
A prepped and layered Potato and Mushroom Gratin in a red casserole dish ready for the oven.

What makes this potato casserole a winner in my books is the simplicity of the sauce. The mixture of cream and sour cream makes it extra creamy and the sour cream gives a little tang. The sauce is whisked together cold and poured over the potato slices. I find there’s no need to be fussy with the potato arrangement either. Simply toss the slices into the casserole dish and spread them around evenly instead of trying to layer them ever so carefully. If you don’t have a mandolin for thinly slicing the potatoes, that’s no problem, simply slice as thin as you can by hand and cook for the longest time suggested in the recipe. Remember, dinner doesn’t need to be fussy. This simple casserole is not only delicious, but it also feeds a small crowd and is worthy of your family gathering. Enjoy!

Potato and Mushroom Gratin baked golden in a red casserole dish and garnished with chopped green onions.

Potato and Mushroom Gratin baked golden in a red casserole dish and garnished with chopped green onions.
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Potato and Mushroom Gratin

Prep Time 30 minutes
Cook Time 1 hour 10 minutes
Resting Time 10 minutes
Total Time 1 hour 50 minutes
Servings 8 people

Ingredients

  • 2 tbsp salted butter plus more for dish
  • 16 ounces mushrooms, thinly sliced see note
  • 3 cloves garlic, minced
  • 1 cup heavy cream
  • 1 cup sour cream, full fat
  • 1 tsp kosher salt
  • 1/2 tsp pepper
  • pinch nutmeg
  • 1/3 cup milk
  • 2 tbsp flour
  • 2 1/2 pounds russet potatoes see note
  • 6 ounces Gruyere cheese, shredded

Instructions

  • Preheat oven to 375°F and butter a large 3-quart casserole dish.
  • Melt butter in a large skillet over medium-high heat until starting to foam. Add mushroom and cook until lightly browned and the moisture has evaporated. Add minced garlic and continue to cook, stirring often for 1-2 minutes. Set aside.
  • While mushrooms are cooking, whisk together cream, sour cream, salt, pepper and nutmeg. In a separate bowl whisk together milk and flour until smooth. Add to the sour cream and cream and whisk until incorporated. Grate the cheese and set it aside.
  • Peel and thinly slice potatoes. Spread half of the potato slices evenly in the bottom of the prepared casserole dish. Scatter half of the sauteed mushroom and half of the cheese evenly over the potatoes. Repeat with remaining potatoes, mushrooms and cheese.
  • Pour cream mixture evenly over potatoes. Give the pan a gentle shake to help flatten everything out. Cover and bake for 45-60 minutes (this will depend on how thin you've sliced the potatoes) Start checking at 45 minutes. The potatoes should be almost tender in the center. Remove cover and bake for an additional 20 minutes until the top is golden.
  • Remove from oven and allow to rest for 10 minutes before serving. Garnish with chopped fresh parsley or sliced green onions if desired.

Notes

-Russet potatoes work well for this recipe, however,  I've also used red potatoes with equally good results.
-The covered cooking time will vary slightly depending on how thin you've sliced the potatoes.  I find cutting them by hand instead of using a mandolin requires closer to 60 minutes covered.
-I like using cremini mushrooms for this recipe as they have a little more earthiness than regular white mushrooms, however, either work well as does a mix of mushrooms.

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Hungarian Mushroom Soup

Hungarian Mushroom Soup

Hungarian Mushroom Soup

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Hungarian Mushroom Soup garnished with sauteed mushrooms and fresh dill served in a shallow white and grey bowl.

Hungarian Mushroom Soup is such a nice take on regular mushroom soup. I find it more flavourful yet still creamy and loaded with mushrooms as you would expect from a mushroom soup. This soup gets its name mainly from the addition of paprika to the soup. Paprika is made in many parts of the world, however, it is considered the national spice of Hungary. Hungary is not only well known for the paprika it produces, it is also one of the largest producers in the world. When shopping for paprika, you will notice most grocery stores sell paprika with no indication of origin. This means it may come from anywhere, such as Hungary, Spain or Mexico. This common paprika will work fine for this recipe, so there’s no need to hunt for anything out of the ordinary. If you can find Hungarian paprika, consider it a bonus! You’re guaranteed to get the rich, red pepper flavour that it is known for. But even Hungarian paprika has a wide range of grades and variances. Whichever you choose to use, I do recommend using good quality paprika.

The other ingredient that sets this soup apart is sour cream. It is a welcome change from heavy cream and adds richness along with a little tang to the soup. I also prefer to blend a portion of the soup to give it a luscious, creamy texture. Hungarian Mushroom Soup is a simple soup with great flavour and body. It makes a lovely appetizer soup, but I like to eat it as a main course soup served with crusty bread or a chicken salad sandwich. Either way, it is perfect for the chilly months ahead. Enjoy!

Sauteed mushrooms in a stainless steel skillet, paprika and fresh dill in preparation for Hungarian Mushroom Soup.
Hungarian Mushroom Soup garnished with sauteed mushrooms and fresh dill served in a shallow white and grey bowl.

Author:  Compelled to Cook, recipe adapted from All Recipes Magazine One-Pan Recipes (All Recipes)

Hungarian Mushroom Soup garnished with sauteed mushrooms and fresh dill served in a shallow white and grey bowl.
Hungarian Mushroom Soup
Print Recipe
    Servings
    6 cups
    Servings
    6 cups
    Hungarian Mushroom Soup garnished with sauteed mushrooms and fresh dill served in a shallow white and grey bowl.
    Hungarian Mushroom Soup
    Print Recipe
      Servings
      6 cups
      Servings
      6 cups
      Ingredients
      Servings: cups
      Instructions
      1. Heat 2 tbsp butter in a medium pot. Add onion and sauté for 3-4 minutes until softened. Add 1/3 of the sliced mushrooms, 1 cup of broth, soy sauce, paprika and dried dill. Cover and simmer on low for 15-20 until everything is soft.
      2. Meanwhile, melt the remaining butter in a large skillet until foamy. Add remaining sliced mushrooms and sauté over medium-high heat to brown the mushroom. Reserve about a 1/2 cup for garnish if desired.
      3. Using a blender or handheld emersion blender puree the cooked onion and mushrooms until smooth. Return mixture to the pot and stir in remaining broth. Whisk together milk and flour and stir into the blended mixture. Bring to a simmer and add sautéed mushroom, 1/2 tsp salt and pepper. Cook covered for 15 minutes, stirring occasionally.
      4. Stir in sour cream, lemon juice and additional salt to taste. Serve garnished with reserved mushrooms, fresh dill or parsley if desired.

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      I may receive compensation for purchases made through this site, at no cost to the purchaser. Compelled to Cook is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com
      Mushroom and Arugula Quinoa Bowls

      Mushroom and Arugula Quinoa Bowls

      Even though I’m not a vegetarian, that doesn’t mean I don’t enjoy a meatless meal on regular occasion. In fact, I think it’s very important to eat legumes and plant-based proteins for a good overall balance of one’s diet.  My thoughts on the matter also play nicely with the new Canada Food Guide, so I see it as a win-win. But eating a meatless meal doesn’t have to be complicated, and that’s why I love these Mushroom and Arugula Quinoa Bowls.

      Why do I love quinoa?

      It’s neutral in taste and can take on a wide variety of flavours.

      Quick and easy to prepare with no special equipment or longer soaking periods required.

      Great as a main dish or side dish and is gluten-free.

      It contains plant-based protein and essential amino acids, making it a complete protein. This is important because essential amino acids are the ones that the body cannot produce on its own and must get from food. 

      Not only a source of protein but fibre, magnesium, manganese and folate to name only a few. 

      It has a pleasant texture and holds up well on its own or in combination with other foods.

      If you love quinoa too or simply want to find out for yourself what all the fuss is about, here are a couple of other great recipes that include this amazing food. 

      Quinoa Spinach Egg Cups

      Spinach and Quinoa Stuffed Portabella Mushrooms

      Mushroom and Arugula Quinoa Bowls sit on a wooden board surrounded by fresh thyme, lemon half, mushrooms and linen napkin.
      Mushroom and Arugula Quinoa Bowls
      Print Recipe
        Servings Prep Time
        2 people 20 minutes
        Cook Time
        12 minutes
        Servings Prep Time
        2 people 20 minutes
        Cook Time
        12 minutes
        Mushroom and Arugula Quinoa Bowls sit on a wooden board surrounded by fresh thyme, lemon half, mushrooms and linen napkin.
        Mushroom and Arugula Quinoa Bowls
        Print Recipe
          Servings Prep Time
          2 people 20 minutes
          Cook Time
          12 minutes
          Servings Prep Time
          2 people 20 minutes
          Cook Time
          12 minutes
          Ingredients
          Servings: people
          Instructions
          1. Heat broth to a simmer in a small pot. Stir in quinoa, reduce heat to a steady simmer, cover and cook for about 18 minutes (I find cooking quinoa in broth takes a few minutes longer than just water). Remove from heat and allow to rest for 5 minutes.
          2. In a small bowl whisk together 1 tbsp olive oil, lemon juice, mustard, half of the thyme, salt and pepper. Set aside.
          3. In a medium skillet, heat 1 tbsp of olive oil. Once hot, add mushrooms and cook on medium highfor 3-4 minutes until starting to turn golden. Stir and continue to cook for about 2 minutes. Add garlic, shallots and half of the thyme. Cook, stirring often until garlic and shallots have softened, another 2-3 minutes.
          4. Fluff quinoa with a fork and add to mushrooms, stirring to combine. Season lightly with salt and pepper.
          5. Add arugula and sauté for 1-2 minutes until starting to soften and wilt. Remove from heat and stir in dressing. Divide into 2 bowls and top with grated parmesan cheese and toasted nuts.
          Recipe Notes

          I used pine nuts here, but cashews are also wonderful.  To quickly toast nuts, heat 1 tsp of olive oil in a small pan over medium heat. Add nuts and toss or stir occasionally until golden.

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          Affiliate Disclosure

          I may receive compensation for purchases made through this site, at no cost to the purchaser. Compelled to Cook is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com