lentil walnut burger buns with creamy cashew pesto - hot for food

Ingredients

• 1 C finely chopped onion (about 1 onion)
• 3/4 C finely chopped carrot (about 1 carrot)
• 2 roughly chopped garlic cloves
• 2 tbsp vegetable oil or olive oil
• 1 C cooked or canned lentils
• 1/2 C raw whole walnuts
• 1/4 C buckwheat flour
• 2 tbsp nutritional yeast
• 1 tsp dried parsley
• 1 tsp onion powder
• 1/2 tsp sea salt
• 1/4 tsp cumin
• 1/4 tsp smoked paprika
• 1/4 tsp coriander
• 1/4 tsp ground black pepper
• vegan cheese slices for stuffing in the burger patties (optional)
• 1 C raw whole cashews, soaked 20 minutes in hot water
• 1/3 C unsweetened nondairy milk
• 2 tbsp lemon juice
• 2 garlic cloves
• 1/2 C packed basil leaves