Curried Chicken Lentil Burgers

Ingredients

• 3 Tbsp (45 mL) butter
• 1 small onion, finely chopped
• 1 small apple, cored, peel left on, finely chopped
• 2 garlic cloves, minced
• 1 tsp (5 mL) curry powder
• 1 tsp (5 mL) fresh thyme leaves
• 1 1⁄3 lb (600 g) ground chicken
• 1 cup (250 mL) cooked or canned green lentils, drained and rinsed
• ½ cup (125 mL) panko bread crumbs
• 1 Tbsp (15 mL) Dijon mustard
• 1 large egg
• 1 tsp (5 mL) sea salt
• ½ tsp (2 mL) ground black pepper canola oil, for the grill
• 6 hamburger buns
• Optional garnishes: aged white cheddar slices, bacon, tomato slices, lettuce, pickles, mayonnaise, mustard, ketchup