It's easiest to shred the cabbage in a food processor. Heat the butter and oil in a large lidded saucepan. When hot, add the onion and fry gently until softened. Stir in the spices. Add the ...

Drain the cabbage well, lightly pat dry with paper towels, and transfer to a very large bowl. In a mini food processor, combine the garlic, onion, ginger, and sugar; process until pureed.