Vegan White Bean & Mushroom Tacos

Ingredients

• 1 can white beans, drained and rinsed 540 mL
• 2 tbsp canola oil 30 mL
• 4 cups small cauliflower florets (1/2 in./1 cm pieces) 1 L
• 1/2 lb mushrooms, finely chopped 250 g
• 1/2 cup finely chopped walnuts 125 mL
• 4 green onions, finely chopped, plus more for garnish
• 2 tbsp hot sauce 30 mL
• 2 tbsp lime juice 30 mL
• 2 tbsp soy sauce 30 mL
• 16 taco shells