Garlic & Oregano Haloumi Tacos

Ingredients

Thinly slice the red onion. Finely chop the garlic (or use a garlic press). Slice the cucumber into thin batons. Slice the tomato into thin half-moons. Shred the cos lettuce. Cut the haloumi into 1cm-thick slices. Place the haloumi slices in a small bowl of cold water and set aside to soak for 5 minutes.
In a medium frying pan, heat a drizzle of olive oil over a medium heat. Add the onion and cook, stirring often, until softened, 5-6 minutes. Add the balsamic vinegar, water and brown sugar and stir to combine. Cook until dark and sticky, 3-5 minutes. Transfer to a small bowl.
While the onion is caramelising, combine the garlic, dried oregano, a pinch of pepper and a drizzle of olive oil in a medium bowl. Drain the haloumi, then pat dry with paper towel and add to the bowl with the garlic mixture. Toss the haloumi to coat.
Slice the lemon into wedges. In a small bowl, combine the garlic aioli with a good squeeze of lemon.
Wash the frying pan and return to a medium-high heat with a drizzle of olive oil. When the oil is hot, add the haloumi and cook until golden brown, 2 minutes each side. While the haloumi is cooking, heat the mini flour tortillas in a sandwich press, or on a plate in the microwave for 10 second bursts, until warmed through.
Bring everything to the table to serve. Fill each tortilla with some cucumber, tomato, cos lettuce, caramelised onion and garlic and oregano haloumi. Drizzle with the lemon aioli and serve with any remaining lemon wedges.