Chop the chestnuts into small pieces. Cut the liver pate into small cubes. Mix flour and baking powder. First whisk eggs into the flour mixture with the whisk of the hand mixer, then add milk and olive oil and mix to a smooth dough. Fold in diced goose liver and chestnuts and season with salt and pepper. Put the dough in a cool place for about 1 hour
Grease the hollows of a mini muffin tray (24 hollows) and dust with flour. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for approx. 20 minutes until golden brown. Remove the baking tin from the oven, let it cool down briefly and remove the muffins from the trays. Let them cool down on a cake rack. Warm or cold
Waiting time approx. 1 hour