Step 1

Preheat oven to 200°C/180°C fan. Line three oven trays with baking paper; spray with cooking oil.

Step 2

Cut each sheet of mountain bread into 16 triangles. Place in a single layer on trays; spray with oil. Sprinkle with sumac; season with salt and pepper. Bake for 5 minutes or until golden and crisp.

Step 3

Place avocado and juice in a medium bowl; mash lightly with a fork. Stir in red onion, tomato, coriander, paprika, 1 tablespoon of the chia seeds and three-quarters of the chilli. Season to taste with salt.

Step 4

Place guacamole in a serving bowl; top with remaining chilli and remaining chia seeds. Serve with sumac crisps.