Chickpea Vegan Shepherd's Pie (Gluten-free)

For the potatoes

• 2.2 lbs potatoes peeled and chopped
• ½ cup almond milk or any other plantbased milk of choice
• 2 tbsp nutritional yeast
• 1 clove garlic minced

For the filling

• 1 large onion chopped
• 2 cloves garlic minced
• 1 large red bell pepper
• 1 medium zucchini chopped
• 2 stalks celery chopped
• 2 large carrots chopped
• 1 lb mushrooms chopped finely
• 1 tsp paprika
• 2 tsp cumin
• 1 tbsp dried basil
• 2 tbsp tomato paste
• 0.5 lbs cooked chickpeas (around 1.5 cups)
• 2 tbsp tamari
• ¾ cup veggie broth
• ¼ cup cornstarch or arrowroot powder
• salt to taste