Southside Slopes

Fat Head's keeps University of Pittsburgh students satiated with headwiches, sandwiches roughly the size of someone's head. The Southside Slopes headwich, named after Pittsburgh's traditionally Eastern European neighborhood, is a massive bun filled with kielbasa, pierogies, grilled onions, American cheese and a horseradish mayo.

Inspired by The Southside Slopes from Fat Head's for Cooking Channel
TOTAL TIME: 35 min
Prep: 5 min
Inactive Prep: --
Cook: 30 min
YIELD: 4 sandwiches
LEVEL: Intermediate


  • 1/3 cup mayonnaise
  • 3 tablespoons prepared, drained horseradish
  • Kosher salt and freshly ground pepper
  • 1 large onion, sliced 1/2-inch thick
  • 1 tablespoon vegetable oil, plus extra for frying or sauteeing
  • 1 pound kielbasa
  • 8 frozen or refrigerated pierogies ( potato and onion or potato and Cheddar flavor)
  • 4 large kaiser rolls, split
  • 8 slices American cheese
  • 8 pitted, jarred green olives
  • Special equipment: eight 6-inch wooden skewers
recipe tools


Preheat the oven to 350 degrees F. Heat a grill pan over medium-high heat.

Mix the mayonnaise, horseradish and a pinch of salt and pepper together in a small bowl. Set aside.

Brush the onion slices with the oil, then lay them on the grill. Cook the onions, turning a few times, until golden and soft, about 15 minutes. Meanwhile, add the kielbasa and cook, turning, until well charred on the outside and hot, about 10 minutes. Transfer both to a cutting board and cover loosely with foil to keep warm.

Saute, fry or grill the pierogies according to package directions.

Spread 1 tablespoon of the horseradish mayo on the bottom of each bun, and set on a baking sheet. Cut the kielbasa into eight pieces and put two pieces on the bottom half of each bun. Top evenly with the pierogies, cheese and onions. Place in the oven to melt the cheese, about 5 minutes. Spread the remaining horseradish sauce on the bun tops, and place each top over the melted cheese. Thread an olive onto each skewer and press two skewers into each sandwich to keep them together. Slice the sandwich in half, leaving a skewer on each side. Serve.




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