Bulghur wheat-stuffed capsicums

Ingredients

• 1/2 cup bulghur wheat
• 1/2 cup either boiling water or vegetable stock
• 3 tablespoon olive oil
• 1/2 cup onion, finely chopped
• 1/2 cup mushrooms, finely chopped
• 2 tablespoon parsley, chopped
• 1/2 teaspoon cumin
• 1/2 teaspoon sea salt and black pepper
• 100 gram cup crumbled feta, plus extra to garnish
• 3 small capsicums, a mix of red, orange or yellow, halved lengthwise or through the middle, removing the seeds and membranes
• splash of olive oil
• 1/2 cup water