Preheat oven to 180°C fan forced. Place chillies, tomato, onion and garlic on to a baking tray and bake for 10 min.Remove garlic cloves from tray and then switch oven to grill. Grill on high until chillis are slightly blackened and blistered.Peel garlic cloves and onions, and place with remaining ingredients in to mixer bowl. Blend for 1 min/speed 5/MC on. Blend for a further 1 min/speed 9/MC on.