Lentil, Walnut & Mushroom Taco

Ingredients

• 1 Tbsp (15 mL) canola oil
• 1 lb (500 g) finely chopped walnuts
• 1 lb (500 g) mushrooms, roasted, minced
• 1 lb (500 g) whole red lentils, cooked
• 1 Tbsp (15 mL) chili powder
• 1 tsp (5 mL) cumin
• 1 tsp (5 mL) garlic powder
• ½ tsp (2 mL) smoked paprika
• ½ tsp (2 mL) dried oregano
• ½ tsp (2 mL) onion powder
• 1 Tbsp (15 mL) harissa
• 2 cups (500 mL) red onion, small dice
• 2 cups (500 mL) tomato, small dice
• 20 corn tortillas, lightly warmed
• 5 cups (1.25 L) shredded lettuce
• 20 oz avocado puree