Gyros with chicken grilled on the barbecue, tzatziki and cucumber salad

• 4 chicken breasts, boneless, skinless

Marinade:

• 250 ml (1 cup) olive oil
• 2 or 3 garlic cloves, minced
• 15 ml (1 tbsp) dried oregano
• 15 ml (1 tbsp) steak spices
• 2 ml (1/2 tsp) crushed chile

Salad:

• 1 English cucumber, seeded and cut into half-moons
• Sea salt
• 125 ml (1/2 cup) Greek yogurt
• 15 ml (1 tbsp) 10% cream
• 30 ml (2 tbsp) fresh dill, chopped
• A few drops of Tabasco sauce

Garnish:

• Salt and freshly ground black pepper
• 4 pita breads
• 250 ml (1 cup) tzatziki
• 250 ml (1 cup) Boston lettuce, thinly sliced
• 125 ml (1/2 cup) red onion, thinly sliced
• The flesh of 2 tomatoes, cut into 1 cm (3/8 in.) dice