Greek chicken gyros

Name: Greek chicken gyros
Cuisine: European, Mediterranean, Greek
Ingredients: 1 kg chicken thigh fillets; 2 tbsp olive oil; 3 garlic cloves, finely minced; 3 tbsp greek yoghurt; 3 tbsp lemon juice; 1 tbsp white wine vinegar; 1 tbsp extra virgin olive oil; 1.5 tbsp dried oregano; 1 tsp cooking salt; 0.25 tsp black pepper; 2 x 15cm long cucumbers; 0.75 cup greek yoghurt; 1.5tsp lemon juice; 1.5tsp extra virgin olive oil; 1 tbsp finely chopped fresh mint; 0.25tsp finely minced garlic; 0.5tsp cooking salt; pinch of black pepper; 3 tomatoes, deseeded and cut into 1cm cubes; 3 x 15cm cucumbers, cut into 1cm cubes; 0.5 red onion, finely chopped; 0.25cup roughly chopped flat leaf parsley; 1/8 tsp cooking salt; 1/8 tsp black pepper; 50g unsalted butter; 185ml milk; 300g plain flour, plus extra for dusting; 0.5tsp cooking salt