Portobello mushrooms, smoked haddock and chives
By Matt Tebbutt From Saturday Kitchen Ingredients 2 Portobello mushrooms 1 tsp chopped fresh thyme 35g/1¼oz unsalted butter, plus more for buttering the bread 2 tbsp olive oil 2 banana shallots, finely chopped 1 side undyed smoked haddock, skinned and diced (about 300g/10½oz) …