Avocado Walnut Cake

Ingredient:
- 1 ripe avocados
- 100g butter, at room temperature
- 100g sugar
- a pinch of salt
- 2 eggs
- 170g all-purpose flour
- 10 g baking powder
- 50g ground almonds

How to bake:
1.  Preheat the oven to 350˚F (180°C) for 15 mins. 
2. Add to a bowl butter, sugar, vanilla extract and salt and mix well.
3. Extract avocado and add into the mixture, use a masher to mash all together
4. Mix the flour with the baking powder and crushed walnuts into butter sugar mixture. 
5. Add the eggs one by one and mix well.
6. Add in some milk and mix well.
7. Grease a 12 inch loaf tin and dust with flour. Pour in the batter and even out the surface. Bake for 50 minutes until a toothpick inserted in center comes out clean. Let cool in the tin for several minutes.