Step 1

Preheat oven to 180°C (160°C fan forced).

Step 2

Grease and line a small oven tray with baking paper. Place tomato on tray, skin-side down, sprinkle sumac over cut surfaces, spray lightly with olive oil. Roast for 30 minutes or until tomato has collapsed slightly.

Step 3

Place garlic, yoghurt, tahini and juice in a small bowl, whisk to combine.

Step 4

Spread half the avocado thickly over each toast slice. Spoon tahini mixture over avocado and top with tomatoes.