Marinated beef skewers

Ingredients

• 2 thick rump steaks, cubed and fat removed
• 1 green pepper, cut into 3cm pieces
• 1 yellow pepper, cut into 3cm pieces
• 1 red onion, cut into wedges
• 2 tbsp olive oil
• 1 tsp ground paprika
• 2 large avocados, stoned and sliced lengthways
• 2 mangoes, stoned and sliced lengthways
• 20cm length cucumber, cut into long diagonal slices
• 4 spring onions, thinly sliced
• 4 little gem lettuces, leaves separated
• Flour tortillas and lime wedges to serve