Vegan pulled mushroom burger

Ingredients

• 1 lb king oyster mushrooms
• 4 tbsp canola oil
• 1/2 tsp garlic powder
• 1 tsp smoked paprika powder
• 1/2 tsp cayenne pepper
• 1/2 tsp ground cumin
• 4 tbsp ketchup
• 1 tbsp vegan Worcestershire sauce
• 1 tbsp raw sugar
• 1 tbsp balsamic vinegar
• 3 1/2 oz red cabbage
• 1/2 carrot
• 1 scallion
• 1/2 tbsp toasted sesame oil
• 3 tbsp vegan mayonnaise
• 1 tbsp white balsamic vinegar
• 1 lime
• 2 vegan burger buns
• salt
• pepper