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Active Time:1 hr 20 minsAdditional Time:40 minsTotal Time:2 hrsServings:12Yield:12 servings, about 3/4 cup eachJump to Nutrition Facts

Active Time:1 hr 20 minsAdditional Time:40 minsTotal Time:2 hrsServings:12Yield:12 servings, about 3/4 cup each

Active Time:1 hr 20 mins

Active Time:

1 hr 20 mins

Additional Time:40 mins

Additional Time:

40 mins

Total Time:2 hrs

Total Time:

2 hrs

Servings:12

Servings:

12

Yield:12 servings, about 3/4 cup each

Yield:

12 servings, about 3/4 cup each

Jump to Nutrition Facts

Cook Mode(Keep screen awake)Ingredients3 ½poundspotatoes, preferably Yukon Gold, peeled and cut into 1-inch pieces1 ½poundscremini or white mushrooms, halved1tablespoonbutter½cupnonfat buttermilk1large egg plus 1 large egg white, beaten1 ¼teaspoonssalt, divided1tablespoonextra-virgin olive oil¾cupchopped shallots3clovesgarlic, finely chopped4cupstrimmed and finely chopped chard or spinach1cupmushroom broth or reduced-sodium beef broth2tablespoonsall-purpose flour½teaspoonfreshly ground pepper½teaspoonchopped fresh rosemary1cupfreshly grated Parmesan cheese, divided

Cook Mode(Keep screen awake)

Ingredients

3 ½poundspotatoes, preferably Yukon Gold, peeled and cut into 1-inch pieces

1 ½poundscremini or white mushrooms, halved

1tablespoonbutter

½cupnonfat buttermilk

1large egg plus 1 large egg white, beaten

1 ¼teaspoonssalt, divided

1tablespoonextra-virgin olive oil

¾cupchopped shallots

3clovesgarlic, finely chopped

4cupstrimmed and finely chopped chard or spinach

1cupmushroom broth or reduced-sodium beef broth

2tablespoonsall-purpose flour

½teaspoonfreshly ground pepper

½teaspoonchopped fresh rosemary

1cupfreshly grated Parmesan cheese, divided

Directions

Bring 1 inch of water to a simmer in a large pot. Place potatoes in a steamer basket, cover and steam over medium-low heat, replenishing the water as necessary, until the potatoes are fall-apart tender, 20 to 30 minutes.

Meanwhile, working in two batches, place mushrooms in a food processor and pulse, stopping to scrape down the sides as needed, until the mushrooms are coarsely chopped.

Transfer the potatoes to a large bowl. Add butter and mash until chunky-smooth. Gradually stir in buttermilk, egg and egg white and 1 teaspoon salt. Set aside.

Heat oil in a large skillet over medium heat. Add shallots and garlic and cook, stirring, until fragrant and beginning to soften, about 1 minute. Add the mushrooms and cook, stirring often, until they release their liquid and the pan is almost dry, 10 to 12 minutes. Add chard (or spinach) and continue to cook, stirring, until wilted, about 4 minutes. Whisk broth and flour in a small bowl. Add to the pan along with the remaining 1/4 teaspoon salt, pepper and rosemary. Cook, stirring, until the mixture bubbles and thickens, about 1 minute.

Preheat oven to 400 degrees F.

Bake until hot throughout and the top is golden brown, about 35 minutes.

To make ahead

Assemble through Step 6, cover and refrigerate for up to 1 day. Bake, uncovered, in a 400°F oven until hot, 50 minutes to 1 hour. To reheat, bake, covered, at 350° until hot, 40 to 50 minutes.

Tip

If you’re storing food in your fridge for a few hours or more, it’s best to keep it in an airtight container or in a container covered tightly with foil. Foil is best at creating a barrier that doesn’t let unwanted flavors in (or out) while you store your food.

Originally appeared: EatingWell Magazine, November/December 2009; updated December 2022

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Nutrition Facts(per serving)192Calories5gFat32gCarbs7gProtein

Nutrition Facts(per serving)

  • Daily Values (DVs) are the recommended amounts of nutrients to consume each day. Percent Daily Value (%DV) found on nutrition labels tells you how much a serving of a particular food or recipe contributes to each of those total recommended amounts. Per the Food and Drug Administration (FDA), the daily value is based on a standard 2,000 calorie diet. Depending on your calorie needs or if you have a health condition, you may need more or less of particular nutrients. (For example, it’s recommended that people following a heart-healthy diet eat less sodium on a daily basis compared to those following a standard diet.)

(-) Information is not currently available for this nutrient. If you are following a special diet for medical reasons, be sure to consult with your primary care provider or a registered dietitian to better understand your personal nutrition needs.