Sauerkraut Pierogi Filling

1. 1

   Grind sauerkraut in a food processor. Transfer to a skillet; cook and stir over medium heat until softened, about 10 minutes. Drain in a colander.

2. 2

   Heat butter in skillet over medium heat; stir in onion and mushrooms. Cook and stir until onion has softened and turned translucent, about 10 minutes.

3. 3

   Combine sauerkraut with onion mixture, add salt and pepper, and cook for 2 minutes. Spread onto plate to cool completely.

* Per serving · 4 servings · Values may vary.

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