Tortilla Chips au Gratin - Sunsweet

Ingredients

• 1 onion
• 500 g minced beef
• 1 tbsp rapeseed oil
• 4 tbsp pickled jalapeños slices from the jar
• Salt, freshly ground pepper
• 300 g tortilla chips, plain
• 120 g Sunsweet prunes
• 150 g grated cheddar cheese
• 2 avocados
• Lemon juice
• 2 spring onions
• 2 beef tomatoes
• 1 tbsp olive oil
• 100 g sour cream