Step 1

Place the lentils, mince, zucchini and egg in a large bowl. Season with salt and pepper. Use clean hands to mix until well combined. Shape into 4 patties. Place on a baking tray. Cover and place in the fridge for 10 minutes to chill.

Step 2

Meanwhile, combine the tomato and coriander in a bowl.

Step 3

Spray a barbecue grill or chargrill with oil and heat on medium-high. Cook the patties for 4 minutes each side or until lightly charred and cooked through. Spread the hummus over the base of each roll. Top with the cucumber, spinach, patties, tomato mixture and remaining roll.