Gourmet Cake with Mushrooms, Comté and Hazelnuts

Ingredients (for 1 cake)

180 g flour 🥣
1 sachet baking powder (11 g) 🧂
10 cl whole milk 🥛
10 cl olive oil 🫒
3 eggs 🥚
100 g grated comté 🧀
250 g mixed mushrooms (Paris, chanterelles, oyster mushrooms, etc.) 🍄
20 g butter 🧈
100 g hazelnuts (preferably roasted) 🥜
4 tablespoons chopped flat-leaf parsley 🌿

Salt and pepper 🧂

Preparation: