Burgers with a Spicy Maple Sauce | Maple from Canada

Ingredients

• 454 g (1 lb) lean ground beef
• 25 g (1/4 cup) quick cooking oats
• 2 g (2 tbsp) fresh flat-leaf parsley, chopped
• 1 egg
• 1 clove garlic, pressed
• 1 shallot, minced
• 4 g (1 tsp) Montréal steak spice*
• 60 g (1/4 cup) plain Greek yogourt
• 60 ml (1/4 cup) mayonnaise
• 45 ml (3 tbsp) maple syrup (preferably amber syrup for its rich flavour)
• 2,5 ml (1/2 tsp) harissa sauce (quantity to taste)
• 1 g (1/2 tsp) smoked paprika
• 4 burger buns
• 4 slices smoked gouda or your choice of cheese
• A few thin slices of red onion
• Lettuce leaves
• 1 tomato, sliced