# Halloumi Burger

Recipe by [Marta Kowalczyk](https://fridge.menu/en/u/martakowal)

A griddled halloumi burger with sweet softened red onions, chilli mayo, avocado and cucumber.

Servings: 4 · Prep 10 min · Cook 30 min · Other

Vegetarian · Contains: gluten, milk, eggs

_Labels are worked out automatically from the ingredients and can be wrong. Check the packaging if it matters to you._

![AI photo: Halloumi Burger](https://image.fridge.menu/adaptations/fh1hcw14/37d462c72d97212a8fa3a0d43ff292dcaf911fa1643cffe970609deeea287ee8.jpg)

## Ingredients

- 2 pcs [Red onion](https://fridge.menu/en/i/red-onion) — thinly sliced into rings
- 1 tsp [Dried thyme](https://fridge.menu/en/i/dried-thyme)
- 1 tbsp [Olive oil](https://fridge.menu/en/i/olive-oil)
- 10 g [Butter](https://fridge.menu/en/i/butter)
- [Salt](https://fridge.menu/en/i/salt)
- [Black pepper](https://fridge.menu/en/i/black-pepper) — freshly ground
- 2 tbsp [Mayonnaise](https://fridge.menu/en/i/mayonnaise)
- 1 tsp [Sriracha](https://fridge.menu/en/i/sriracha)
- 200 g [Halloumi](https://fridge.menu/en/i/halloumi)
- 4 pcs [Burger bun](https://fridge.menu/en/i/burger-bun)
- 125 g [Mixed salad leaves](https://fridge.menu/en/i/greens)
- 0.25 pcs [Cucumber](https://fridge.menu/en/i/cucumber) — sliced
- 1 pcs [Avocado](https://fridge.menu/en/i/avocado) — sliced
- 1 bunch [Basil](https://fridge.menu/en/i/basil) — fresh

## Steps

1. Heat the olive oil in a saucepan over medium heat, add the butter and let it melt.
2. Reduce the heat slightly and add the red onion to the pan.
3. Fry, stirring, for a few minutes.
4. Then cover with a lid and leave the onion over low heat for 10-15 minutes to sweat gently until soft, without colouring. (15 min)
5. It should not burn or brown.
6. Season with thyme, salt and black pepper to taste.
7. Mix the mayonnaise with the sriracha and season with salt and black pepper to taste.
8. Warm the burger buns in the oven or on the grill.
9. Slice the halloumi and fry in a pan with olive oil until golden on both sides.
10. Spread each bun with the chilli mayo and assemble the burgers with avocado, salad leaves, basil, soft onions, cucumber and halloumi.

Published 2026-10-09

https://fridge.menu/en/r/halloumi-burger-fh1hcw14

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