Polish-Style Pizza with Mushrooms and Chives (Zapiekanka)

A classic Polish street food featuring a toasted hoagie roll topped with sautéed mushrooms, onions, melted mozzarella, and ham, garnished with various toppings. This open-faced sandwich is like a cross between a pizza and a mushroom melt.

2 servings

34 min

Published October 4, 2025

Ingredients

•1 piece soft hoagie roll or small Italian loaf, split in half lengthwise
•1 tablespoon unsalted butter
•1 small small onion, finely chopped
•8 ounces white or crimini mushrooms, trimmed, finely chopped
•1 to taste Kosher salt, freshly ground black pepper
•¼ cup ketchup
•1 cup grated part-skim mozzarella
•2 slices deli ham, torn in half
•2 tablespoons mayonnaise
•2 tablespoons thinly sliced chives
•2 tablespoons french fried onions
•¼ cup drained canned corn kernels
•2 tablespoons chopped pickles

Cooking Instructions

1.
Preheat oven to 375°F; line a rimmed baking sheet with foil. Place bread halves cut side up on sheet.
5 min
2.
Melt butter in a medium skillet over medium heat. Cook onion, stirring, until translucent, 3-4 minutes. Add mushrooms and lightly season with salt and pepper; cook, stirring occasionally, until liquid is evaporated and mixture cooks down to a spreadable consistency, about 10 minutes more. Let cool.
15 min
3.
Spread 2 Tbsp. ketchup on each piece of bread. Divide mushroom mixture between pieces. Sprinkle mozzarella over each, leaving a bit in reserve. Top cheese with ham, then sprinkle ham with remaining cheese. Bake zapiekanki until bread is golden and crisp and cheese is lightly browned and bubbly, 12-14 minutes. Top with mayonnaise and your choice of toppings.
14 min

Ingredients

•1 piece soft hoagie roll or small Italian loaf, split in half lengthwise

•1 tablespoon unsalted butter

•1 small small onion, finely chopped

•8 ounces white or crimini mushrooms, trimmed, finely chopped

•1 to taste Kosher salt, freshly ground black pepper

•¼ cup ketchup

•1 cup grated part-skim mozzarella

•2 slices deli ham, torn in half

•2 tablespoons mayonnaise

•2 tablespoons thinly sliced chives

•2 tablespoons french fried onions

•¼ cup drained canned corn kernels

•2 tablespoons chopped pickles

Cooking Instructions

Preheat oven to 375°F; line a rimmed baking sheet with foil. Place bread halves cut side up on sheet.

5 min

Melt butter in a medium skillet over medium heat. Cook onion, stirring, until translucent, 3-4 minutes. Add mushrooms and lightly season with salt and pepper; cook, stirring occasionally, until liquid is evaporated and mixture cooks down to a spreadable consistency, about 10 minutes more. Let cool.

15 min

Spread 2 Tbsp. ketchup on each piece of bread. Divide mushroom mixture between pieces. Sprinkle mozzarella over each, leaving a bit in reserve. Top cheese with ham, then sprinkle ham with remaining cheese. Bake zapiekanki until bread is golden and crisp and cheese is lightly browned and bubbly, 12-14 minutes. Top with mayonnaise and your choice of toppings.

14 min