Combine all the dressing ingredients in a screw-top jar with salt and pepper. Shake well to combine.

Place the mushrooms in a bowl. Pour over two-thirds of the dressing, stir to coat. Cover and set aside 30 minutes until mushrooms have absorbed the dressing

Preheat oven 220°C. Cut Turkish bread into 1cm cubes. Place onto a baking tray. Spray both sides of bread with olive oil.

Bake for 10 to 15 minutes, tossing occasionally until golden and crisp. Set aside to cool

Dice avocados and add to mushrooms with tomatoes, cucumber, basil and toasted Turkish bread. Pour over the remaining dressing, toss gently. Serve immediately