Beef burger with tangy tomato relish - NOMU

Ingredients

• 500g lean beef mince
• 1/2 tsp NOMU Concentrated Liquid Beef STOCK
• 1 clove garlic, peeled and finely minced
• 1 shallot, peeled and finely chopped
• 1 egg yolk
• 2 tbsp Italian Parsley, finely chopped
• NOMU Sea Salt
• and NOMU Black Pepper
• Pinch NOMU Beef Rub
• 4 ciabatta or burger rolls
• 2 large sweet potatoes, peeled and cut into chunky chips
• NOMU Extra Virgin Olive Oil
• 1 tsp NOMU Garam Masala Rub
• Fresh rocket, to serve
• 4 ripe Roma tomatoes, seeded, halved and cut into fat strips
• 2 shallots, peeled and sliced
• 2 cloves garlic, minced
• 2 tbsp NOMU Extra Virgin Olive Oil
• 3 tbsp red wine vinegar
• 2 tbsp brown sugar
• 1 tbsp NOMU thyme leaves
• 1/2 tsp NOMU One For All Rub