Hasselback potatoes with chicken kebabs, mushrooms & peppers

Ingredients

• 4 skinless chicken breasts (120g each)
• 200 g (1 punnet) button mushrooms
• 1 large red pepper
• 1 large green pepper
• 30 ml (2 tbsp) olive oil
• Juice and zest of 1 lemon
• 5 ml (1 tsp) chilli flakes
• 5 ml (1 tsp) crushed garlic
• 2 1/2 ml (½ tsp) salt
• 5 ml (1 tsp) oregano
• 4 large potatoes
• 10 ml olive oil