For the skewers oil wooden skewers. Mix 4 tbsp. oil, lime juice and 1 tsp. chilli powder. Remove the shrimps from their shells, except for the tips of their tails. Cut lengthwise into the back and remove the dark intestine if necessary.
Wash the shrimps and pat them dry.
Wash the chicken fillets, dab dry and cut into 12 longish pieces. Put 1 chicken piece lengthwise and 1 shrimp on 1 skewer. Turn in the chilli oil and marinate covered in cold water for about 1 hour.
In the meantime, mix vinegar, salt and sugar for the salad, and fold in 2 tablespoons of oil. Wash and chop the tomatoes. Clean the chilli, cut lengthwise, remove seeds, wash and chop very finely.
Peel and finely chop the garlic. Wash the coriander, shake dry and chop coarsely. Mix everything with the vinaigrette.
For the chips, wash the potatoes thoroughly. Cover and cook in boiling water for about 20 minutes. Drain, quench and cut into 1 cm thick slices. Brush the cut surfaces with 2 tablespoons of oil and salt.
Grill the potatoes on the hot grill for 4-5 minutes on each side. Grill the skewers all around for 5-7 minutes. Season with salt. Serve with tomato salad.