Ingredients

• 1 long baguette 50 cm*
• 1 tablespoon olive oil
• 1 tablespoon butter
• 1 onion
• 1 clove garlic
• 500 g mushrooms
• a pinch each of salt, pepper, oregano
• 200 g grated mozzarella + 200 g for topping
• ketchup

Preparation

1. In a large skillet, in oil and butter, sauté finely diced onion and minced garlic - fry, stirring occasionally, for approximately 2-3 minutes.
2. Add mushrooms - rinsed, dried, and grated on a grater with large holes. Fry, stirring occasionally, for approximately 3-4 minutes. Season with salt, pepper, and oregano. Mix, remove from heat, and let cool.
3. Preheat oven to 200°C.
4. Cut the baguette first in the middle into 2 shorter pieces, then lengthwise. Place on a baking sheet lined with parchment paper.
5. Mix the mushrooms with grated mozzarella (200 g) and spread the filling on the cut pieces of baguette. Sprinkle with remaining mozzarella (200 g).
6. Place the baking sheet with zapiekanki in the preheated oven and bake until lightly golden for approximately 8 minutes. After baking, drizzle with ketchup.