Preheat the oven to 350°F / 180°C.
Stir together all dry ingredients in a mixing bowl.
Beat the eggs in another mixing bowl for about a minute.
Then add the rest of the wet ingredients while constantly stirring.
Add the dry mixture to the wet mixture, using a spatula.
Add walnuts and raisins and gently fold until well combined.
Line a muffin pan with paper liners. Divide the batter into them, it should be about 1-1.5 large spoonfuls in each.
Smooth out the batter with a spoon.
Bake for about 25 minutes, or until baked through.