Preheat the oven to 350°F.
Put all the wet ingredients in a bowl and the dry ingredients in another one. Leave the raspberries on the side.
Add the dry ingredients to the wet ingredients bowl and mix until obtaining a homogeneous dough.
Then add the raspberries and stir in folding motion.
Oil a rectangular baking pan and pour the cake batter in it.
Bake for 40 minutes.
