Preheat the oven to 220°C (200°C fan). In a small pot, add 400ml water and ½ of the broth powder and bring to a boil. Add the pearl couscous to the boiling water and stir. Reduce the heat to low and let simmer covered for 10–12min. until all the water is absorbed and the pearl couscous cooked through.
Zest the lemon. Rinse and drain the chickpeas in a sieve. Put them on a lined baking tray and mix with the zest, 1Tbsp olive oil, and a large pinch of broth powder. Toss to combine. Spread the chickpeas on one half of the baking tray, leaving some space for adding the falafel later.
When the oven is hot, add baking tray. Bake for ca. 10min, the chickpeas will start to crispy.
Halve the cucumber lengthways and cut into large pieces on a bias. Cut the tomato into wedges. Halve and juice the lemon. In a bowl, mix the juice with a pinch of salt and pepper and dress the vegetables in it.
Add the falafel to the baking tray and drizzle with ½Tbsp olive oil. Add the tray back to the oven to heat them up alongside the chickpeas for 5 more min.
Peel the garlic and add to a high container, along with the parsley (incl. the stalks), 2Tbsp olive oil, 1tsp vinegar, 1Tbsp vegan mayonnaise and a pinch of salt and pepper. Mix with a stick blender until smooth. Stir in 2Tbsp or more of mayonnaise to adjust the consistency. Build your bowl with the pearl couscous, the vegetables, the chickpeas and falafel and serve drizzled with the mayo.