BBQ Maple Glazed Beef Kebabs with Tacos

Ingredients

• 450g grass-fed rump steaks , cut into 2.5cm cubes
• 1 teaspoon cayenne pepper
• 1-2 tablespoons maple syrup or runny honey
• 1 tablespoon rapeseed or olive oil
• 1 ripe avocado, halved, stoned, peeled and diced
• ½ red onion, peeled and thinly sliced
• 1 small red chilli, deseeded and finely chopped
• 2 small, cooked baby beetroots, finely diced
• Juice of 1 lime
• 2 large handfuls watercress leaves
• 2 tablespoons freshly chopped coriander
• 8 crisp taco shells, warmed