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9x9 baked pierogi casserole.
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5 from 2 votes

Pierogi Casserole

This baked pierogi casserole is comfort food at its finest. Made with pan-seared pierogies, cheese, Alfredo sauce, and crispy fried onions. Every bite is crispy, creamy, and cheesy!
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Entree
Cuisine: American
Servings: 6

Ingredients

  • 2 16 ounce Potato and cheddar pierogies Frozen
  • 1 ½ cups Alfredo Sauce or Store-bought
  • 1 small onion finely diced
  • 2 garlic cloves finely minced
  • 1 cup mozzarella cheese
  • 1 cup cheddar cheese
  • 1 cup French Fried Onions or Store-bought
  • vegetable oil, for frying pierogies

Instructions

  • Preheat your oven to 375 degrees F.
  • Heat oil in a skillet over medium heat.
  • Add the pierogies to the skillet and cook for 2 minutes on each side. Remove them from the skillet and set them aside.
  • Add the onions to the skillet and cook for 2 minutes or until translucent. Stir in the garlic and cook for 20 seconds.
  • Place the pan-seared pierogies in a 9x9 baking dish and pour the onion and garlic mixture and Alfredo sauce over the pierogies. Mix well.
  • Cover the pierogi mixture with mozzarella and cheddar cheese.
  • Bake for 12-15 minutes. Once it comes out of the oven, top it off with crispy fried onions, and enjoy!

Notes

  • If pan-searing the pierogies, fry them in oil for 2 minutes on each side. If the frozen pierogies are stuck together, add them straight to the hot skillet and they will unstick as they cook.
  • Add mushrooms, chicken, Kielbasa sausage, or crispy bacon to your casserole if you wish.
  • Double or triple the recipe to feed a large crowd.
  • Don't have crispy fried onions? Top the casserole with crushed ritz crackers or scallions.