Spicy pork burgers topped with cheesy nachos

Ingredients

• 450g lean pork mince
• 2 garlic cloves, crushed
• 1 green chilli, de-seeded and finely chopped
• 1 small red pepper, de-seeded and finely chopped
• 1 tsp harissa paste
• black pepper
• 2 tbsp sweet chilli sauce
• ¼ small cucumber, roughly chopped
• 1 ripe avocado, chopped
• 2 spring onions, finely sliced
• ½ a lemon, juiced
• 1 tomato, roughly chopped
• a handful of tortilla chips
• grated Cheddar cheese
• sour cream
• iceberg lettuce