Vegan Hachis Parmentier

This is a delicious, and nutritious, vegan take on my Hachis Parmentier Recipe, a classic French dish that’s made with seasoned ground beef and mashed potatoes.  This vegan recipe switches out the ground beef in favor of French lentils and sauteed mushrooms with shallots and seasonings. 

For a lighter take on the mashed potatoes, I serve this with a cauliflower mash. This silky smooth topping is a wonderful combination against the hearty lentil and mushroom mixture.  

Vegan Hachis Parmentier in a cast iron skillet

WHY YOU’LL LOVE THIS:

  • The lentils are full of fiber and protein making it a nutritional choice for vegan diets
  • You can precook the lentils in advance or buy already cooked lentils to make the recipe even easier
  • You can make the cauliflower mash as a side dish to serve with other meals too!

a skillet filled with mushrooms and lentil mixture topped with cauliflower mash

The cauliflower mash is also really great on its own and delicious for a spring side dish for anyone looking to cut down on the carbs. 

Cauliflower Mash in a bowl with butter and chives

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STEP#1: Cook the Lentils

French green lentils work best for this recipe because they hold their shape while cooking and won’t become mushy. You can precook the lentils the day before, and just reheat them with the mushroom mixture.

I think this recipe is really fun when served as mini skillets. But you can also serve it in a 9″ oven-safe casserole dish too. 

Cooked lentil and mushroom mixture in mini cast-iron skillets

STEP#2: Cook the Mushroom Mixture

The mushrooms add a wonderful hearty, earthy flavor to this recipe. The longer the mushrooms have to cook and become deep brown, the more flavor they will have. So it’s best not to rush this part. 

Mushrooms sautéing in a pan

I use a combination of white button mushrooms and portobello mushrooms, but you could also use cremini, or shitakes mushrooms too. 

ingredients in clear bowls for a Vegan Hachis Parmentier

STEP#3: Top with Cauliflower Mash 

If you are on a low-carb diet and haven’t yet tried my cauliflower mash recipe, then you are in for a treat! Cauliflower is a miracle vegetable and it becomes silky smooth when cooked. 

In fact, I use it to thicken my Potato and Leek Soup recipe which has the creamiest texture to it thanks to a little bit of cauliflower. Cauliflower is also great in the air fryer and if you own one, try my Air Fryer Cauliflower recipe too!  

Cauliflower florets in a clear bowl

The Best Way to Cook Cauliflower for Mash

Personally, I think the best way to cook cauliflower is to boil it. The secret lies in the fact that the cauliflower retains a bit of water this way, which allows it to process to a nice smooth creamy texture. I think the food processor works best, but in a pinch, a blender would work too!

Cauliflower boiling in pot of water

Once the cauliflower mash is made, gently smooth it over the lentils. I don’t cover the lentils completely because there’s something pretty in the presentation about allowing the lentils to peek through. 

covering lentil and mushroom mixture with cauliflower mash

STEP#5: Bake to Reheat 

Place the skillets back in the oven to reheat the filling and the topping. It only takes 15 minutes and then you can garnish with a little fresh parsley, or snipped chives. 

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Vegan Hachis Parmentier

Vegan Hachis Parmentier

Yield: Serves 4
Prep Time: 1 hour
Cook Time: 45 minutes
Total Time: 1 hour 45 minutes

A Vegan take on my Hachis Parmentier Recipe, made with French lentils and sauteed mushrooms and topped with a silky smooth cauliflower mash.

Ingredients

  • 3 cups (700ml) water
  • 1 cup (180ml) French Green Lentils, rinsed
  • 1 Tbsp (15ml) Olive Oil
  • 1 cup (180ml) Shallots, chopped
  • 1 1/2 cups (200g) white mushrooms, quartered
  • 1 1/2 cups (200g) portobello mushrooms, quartered
  • 1 tsp (5ml) Herbs de Provence
  • Salt and Pepper to Taste
  • 1 garlic clove, minced
  • 2 Tbsp (30ml) Fresh Parsely

CAULIFLOWER MASH:

  • 30 ounces (875g) Cauliflower florets
  • 1 Tbsp (30ml) olive oil
  • 2 Tbsp (30g) Vegan Butter
  • Salt and pepper to taste

Instructions

Boil water for lentils. Simmer lentils, covered, for 20 minutes until tender.

Meanwhile, saute shallots until tender. Season with salt and pepper. Add the mushrooms and cook until browned and tender, season with salt, pepper, herbs de Provence, garlic, and parsley. Set aside.

Place cauliflower in a pot of water, until submerged. Cover and cook for 10 minutes or until tender.

Add cooked cauliflower to a food processor with olive oil and vegan butter, until smooth.

Fill skillets, or a 9-inch casserole, with the lentils, then top with the cauliflower mash. Reheat in a 350F until warmed through. About 15 minutes. Garnish with fresh parsley.

Notes

French Green lentils work best for this recipe since they retain their shape and won't turn mushy.

Nutrition Information:
Yield: 4 Serving Size: 1
Amount Per Serving: Calories: 208Total Fat: 14gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 8gCholesterol: 15mgSodium: 217mgCarbohydrates: 17gFiber: 8gSugar: 4gProtein: 8g
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