Leftover beef 'grinder' sandwich | Tesco Real Food

Ingredients

• 4 heat and eat baguettes
• ½ red onion, finely sliced
• 50g butter
• 1 garlic clove, crushed
• 1 tsp mixed herbs
• 3 tbsp mayonnaise
• ½ tsp garlic powder
• ½ tsp Italian seasoning
• 1 tbsp red wine vinegar
• 2 tbsp chives, finely chopped​
• 1 tbsp jalapeños, chopped
• ½ iceberg lettuce, finely shredded
• 8 slices Cheddar cheese
• Leftover roast beef, thinly sliced
• 2 tomatoes, sliced
• 2 tbsp grated Parmesan