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Easy Pierogi Casserole with Kielbasa
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Easy Pierogi Casserole with Kielbasa

Frozen potato and cheese pierogi layered with browned kielbasa, caramelized sweet onions and a creamy cheddar sauce, then baked until bubbling.
Prep Time20 minutes
Cook Time40 minutes
Total Time1 hour
Course: Dinner
Cuisine: casserole, sausage
Keyword: cheesy
Servings: 6
Calories: 631kcal

Ingredients

  • 2 tablespoons unsalted butter
  • 2 cups thinly sliced sweet onion
  • 12 ounces kielbasa sliced then halved
  • 2 cloves garlic minced
  • 2 tablespoons all-purpose flour
  • 1 1/2 cups chicken broth
  • 1/2 teaspoon ground mustard
  • 1/2 teaspoon paprika
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon salt plus more to taste
  • 1/2 cup sour cream
  • 1 1/2 cups shredded sharp cheddar cheese divided
  • 1/2 cup shredded mozzarella cheese
  • 24 frozen potato and cheese pierogi
  • 2 tablespoons sliced green onions

Instructions

  • Preheat the oven to 350°F. Spray a 9x13-inch baking dish with cooking spray then set it aside. Melt the butter in a large skillet over low heat then add the onions and allow them to soften and begin to caramelize.
    onions cooking in a pan
  • Add the kielbasa and minced garlic to the skillet and allow it to brown. Stir frequently to make sure the onions don’t get too dark. About 3-4 minutes.
    garlic and sausage added to pan
  • Sprinkle the flour over the onions and kielbasa until it is fully absorbed. Slowly pour the chicken broth and gently stir until the sauce begins to thicken. Stir in the ground mustard, paprika, pepper and salt until combined.
    broth added to pan
  • Remove the skillet from heat and add the sour cream, 1 cup of sharp cheddar and the mozzarella cheese. Gently stir until the cheese is melted.
    sour cream and cheeses added to pan
  • Add 12 pierogi into the bottom of the baking dish. Gently spread half of the kielbasa and sauce over the pierogi layer.
    pierogi added to the bottom of the baking dish
  • Layer the remaining 12 pierogi and then pour the remixing kielbasa and sauce, spreading out evenly.
    remaining 12 pierogi and kielbasa sauce added to pan
  • Top with the remaining shredded cheddar. Cover the dish with aluminum foil tightly and place in the over for 25 minutes.
    shredded cheese added to casserole dish
  • Remove the foil and continue to cook for 10-15 minutes until the casserole is bubbling and the cheese is melted.
    cooked Easy Pierogi Casserole with Kielbasa in a baking dish
  • Allow the casserole to set for a few minutes, then sprinkle the sliced green onions over the top. Serve and enjoy.
    Easy Pierogi Casserole with Kielbasa on a plate

Notes

What to Serve With Pierogi Casserole
  • A green salad.  The pan is rich and creamy and it needs a counterweight more than it needs another starch.
  • Sauteed or braised cabbage. The traditional partner, and it costs almost nothing. A little butter, a little vinegar, done.
  • Roasted green beans or broccoli. Sheet pan, hot oven, goes in while the casserole is baking uncovered.

Nutrition

Calories: 631kcal | Carbohydrates: 42g | Protein: 24g | Fat: 42g | Saturated Fat: 18g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 12g | Trans Fat: 0.2g | Cholesterol: 100mg | Sodium: 1339mg | Potassium: 321mg | Fiber: 3g | Sugar: 7g | Vitamin A: 686IU | Vitamin C: 13mg | Calcium: 321mg | Iron: 3mg