1 1/3 lb (600 g) extra-lean Canadian ground beef
Preheat grill to medium heat or oven to 425°F (220°C).
In a bowl, mix all the ingredients together except the buns and toppings. Season to taste.
Divide mixture and shape into 4 or 6 patties.
Place on grill or on a parchment-covered baking sheet on centre rack of oven. Cook burgers 12 to 15 minutes, turning them over just once.
Heat the buns.
Mix yogurt, mayonnaise, honey and cilantro, and season to taste. Spread onto buns.
Fill buns with patties and garnish with lettuce.