Potato Spinach Sausage Casserole

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We are constantly trying out new recipes here at Casa Elise, and even jokingly refer to our kitchen as the “test kitchen”. However, many recipes never make it to this site because often they just aren’t good enough. In fact, some are downright awful.

When we do find a good one, we declare it a “winner” and often make it again so I can get a good photo. This is one of those recipes. Not a big one for casseroles, I was surprised at how tasty this Potato, Spinach, and Sausage Casserole was.

It comes from the charter issue of a magazine put out by the folks at Cook’s Illustrated, called Cook’s Country, a magazine devoted to home cooking. Our changes were to make the casserole for four people instead of eight and to use both sweet and hot Italian sausage instead of the kind of sausage you slice.

If you ever have a hard time convincing a family member to eat their spinach, this would be the recipe to use.

Potato Spinach Sausage Casserole Recipe

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  • Yield: Serves 4

Ingredients

  • 1 1/2 pounds russet potatoes (about 3 medium sized potatoes), peeled and cut into 1-inch chunks
  • 1 teaspoon of olive oil
  • 8 oz fresh spinach, washed, dried, and stemmed
  • 1/2 lb of Italian sausage (we like 1/2 sweet and 1/2 hot Italian sausage), out of casing, broken into small pieces
  • 1 large red onion (about 3/4 lb), peeled and sliced thin
  • 1 small garlic clove, minced
  • 1 1/2 Tablespoons unsalted butter, plus extra to grease the baking dish
  • 1/3 cup heavy cream
  • 1 Tablespoon cider vinegar
  • Dash of nutmeg
  • 1/2 teaspoon of salt
  • 1/4 teaspoon pepper
  • 1 cup of shredded Gruyere or Swiss cheese

Method

1 Preheat oven to 400°F. Butter a 6x9 or 8x8 inch baking dish.

2 Place potato chunks in a large pot and add enough cold water to cover by 1 inch. Bring the potatoes to boil over high heat, then lower heat to a simmer. Cook until potatoes are tender, about 15 minutes.

3 While the potatoes are cooking, cook the spinach, sausage, and onions. Heat 1 teaspoon of olive oil in a large skillet on medium high heat. Add the spinach and cook, using tongs to turn the spinach leaves over in the pan, until wilted, about 3 minutes. Remove from pan and let cool. Wrap in paper towels and squeeze out liquid. Roughly chop the spinach.

4 Wipe any remaining moisture out of the skillet. Add the Italian sausage to the pan and cook on medium-high heat until lightly browned, about 5 to 6 minutes. Transfer the sausage to a bowl.

5 You'll need 1 tablespoon of fat in the pan. So if the sausage has produced that much fat, great, if not, add more olive oil until you have 1 tablespoon of fat in the pan. Heat on medium high and add the thinly sliced red onions. Cook until lightly browned, about 5 minutes. Add the garlic and cook a minute more. Add the onions and garlic to the bowl with the sausage.

6 When the potatoes are done cooking, drain them and return them to the pot, and mash them with butter, cream, vinegar, nutmeg, salt and pepper. Stir in spinach and 1/2 cup of the cheese.

7 Transfer potato-spinach mixture to prepared baking dish. Top with sausage-onion mixture and sprinkle with remaining 1/2 cup of cheese. Bake until potatoes are very hot and cheese is golden and bubbly, 20 to 25 minutes. Cool for 10 minutes before serving.

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Showing 4 of 31 Comments

  • tracy

    I have a meatless version of this recipe. I just made this one and it smells and tatses awesome! One question tho, why do you wipe the pots and pans before adding onions and garlic and mashing the potatoes?

  • Carey

    I made this last night and used what I had on hand; sweet potatoes and monterey jack cheese. It was fantastic! My boyfriend raved the whole time he was eating it and told me I had to email it to him so we never lose the recipe. Thank you!

  • Cristina Robison

    Loved this and it was easy to prepare. There was some time involved in the preparation so it may not be suitable for a super quick meal. But it came out delicious. I did not have nutmeg and I did leave the potatoes peeled and I only used my mexi blend cheese that I had. Also I doubled everything for a 9 1/2 by 11 dish. Will make again.

  • Scott

    We all loved the flavor, but agreed a little more spinach and sausage and a little less mashed potato….still, we will be making this again!

  • Chuck

    I surprised my wife with this dish last night when she got home from work. Actually, we were both surprised because I learned that she hates casseroles (she likes everything to be separate on her plate). She agreed to try it and we both loved it. Many thanks for a creative and terrific recipe!

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