Opa! burgers - (winning alternative burger) Recipe | Food Network UK

Ingredients

• 120ml mayonnaise
• 50g roasted red peppers, chopped
• 250g goat feta cheese, crumbled
• 100g chopped kalamata olives
• 250ml Shiraz
• 15g dried porcini mushrooms
• 1kg lamb mince
• 3 cloves garlic, minced
• 1/2 tsp dried oregano
• 1/4 tsp crushed red chilli flakes
• 2 tsps salt
• 1/2 tsp freshly ground black pepper
• Extra-virgin olive oil, for brushing griddle rack
• 6 Italian-style bolo rolls or other rustic baps, split
• 12 thin slices sopressata, Italian salami variety
• 100g loosely packed baby spinach leaves
• 6 large tomato slices
• Mayonnaise/cheese mixture, recipe above