INGREDIENTS
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2 tablespoons olive oil
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2 large onions, finely sliced
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1 tablespoon balsamic vinegar
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1 tablespoon sugar
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1 pinch chili powder
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salt & freshly ground black pepper
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4 chicken breast fillets (about 200g each)
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2 teaspoons fennel seeds
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2 tablespoons quince paste
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8 slices prosciutto
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1 cup dry white wine
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4 bay leaves