Keep it green sandwich
Curly kale, avocado and a smattering of chickpeas make this a filling vegan option to perk up your lunchbox
Put the tofu, vinegar and mustard into a jug and blend with a hand blender until smooth. Drizzle the olive oil into the jug in a slow stream, with the blender still on, to incorporate into the mayonnaise. Season with salt, pepper and lemon juice to taste.