1 - step 1 Heat the oven to 200C/180C fan/gas 6.

2 - Bake the baguettes on a baking tray for 8-10 mins, then leave to cool.

3 - step 2 Heat 2 tsp of the butter and 1 tsp of the oil in a pan over a low heat and cook the chopped onion for 5 mins until soft.

4 - Stir in the mushrooms, turn the heat to medium and cook for 5-10 mins more until the veg is soft and the mushroom liquid has evaporated.

5 - Stir in the garlic and cook for 1-2 mins until soft.