Indian-Style Hamburgers

Ingredients

• Sauce à la mangue

  • 3/4 cup (140 g) fresh mango, chopped (about 1 large mango)
  • 2 tbsp sugar
  • 2 tbsp (30 ml) lime juice
  • 1/4 tsp curry powder

• Burgers

  • 1 small red onion, cut into thin rounds
  • 2 tbsp (30 ml) rice vinegar
  • 1 tsp sugar
  • 1 lb (450 g) lean ground beef
  • 1/2 tsp garam masala
  • 4 brioche hamburger buns
  • 1/2 cup (125 ml) plain yogurt
  • 4 leaves curly lettuce, torn
  • 1/4 cup (10 g) mint leaves, torn