Honey Harissa Halloumi Tacos

• 200 g halloumi
• 2 tsp harrissa
• 3 tbsp honey
• 1 lime
• 400 g tin white/cannelini beans
• 1 avocado
• 6 small tortillas
• 1 cup rocket leaves
• 400 g tin corn kernels
• 100 g tomatoes, diced
• 2 tbsp coriander (cilantro), finely chopped