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Heat the olive oil in a pan, add the red onion and fry over a gentle heat for five minutes until softened.
Add the garlic and sugar and cook for 1-2 minutes. Add the balsamic vinegar and cook for three minutes.
To serve, place the toasted baguette slices onto a serving plate. Top with the caramelised onions and scatter with crumbled Stilton.
Ready Steady Cook
Episode 6
BBC Two
Recipes from this episode