Grilled tuna with avocado and chilli cream and salsa fresco | Castello®️

Ingredients

• 4 of tuna, approx. 600g
• 2 tbsp olive oil
• 2 tbsp mediterranean spice rub
• 4 slices Castello® Mature cheddar slices
• 3 avocados
• 1 green chilli
• zest and juice of 1 lime
• 50 ml creme fraiche
• 1 tsp dijon mustard
• pinches of salt
• 500 g cherry tomatoes, preferably heirloom
• 2 garlic cloves
• 2 shallots
• 1 handful fresh parsley
• ½ handful fresh ground coriander
• 1 red chilli
• zest and juice of 2 limes
• 50 ml olive oil
• ½ head iceberg lettuce
• 1 red onion
• 4 burger buns