Summer salad sandwich

Name: Summer salad sandwich
Prep time: 5 min
Total time: 5 min
Cuisine: British, European
Ingredients: 225g can sliced beetroot, drained; 8 slices multigrain bread; 4 butter lettuce leaves; 1 carrot, grated; 8 slices swiss cheese; 2 tomatoes, sliced; 1 avocado, cut into wedges; 1 cup alfalfa sprouts; Bananas, to serve; Sultanas, to serve; 400g can chickpeas, rinsed, drained; 1 tbsp tahini; 1 lemon, juice; 1 pinch ground cumin