Heat 2 tsp olive oil in a medium frypan over medium-high heat. Season the chicken with salt and pepper. Cook the chicken for 3-4 mins each side until golden and cooked through. Remove from the pan and rest for 3 mins.
Step 2 — Prep ingredients
Meanwhile, thinly slice the spring onion and half the cucumber. Cut the remaining cucumber into batons.
Step 3 — Toast bread rolls
Halve the bread rolls through the middle. Toast the bread in a toaster or under a preheated grill until lightly toasted. Spread with 30g butter.
Step 4 — Slice chicken
Thinly slice the chicken.
Step 5 — Make chicken filling
Combine the chicken, spring onion, aioli, raisins and curry powder in a bowl. Taste, then season with salt and pepper.
Step 6 — Assemble bread rolls
Divide the sliced cucumber and chicken filling among the bread roll bases, then sandwich with the bread roll tops. Serve with the cucumber batons.