Apple and Raisins Muffins recipe

2 cups (300g) self-rising flour, sifted
2/3 cup (150g) caster sugar
1 cup (250ml) buttermilk
2 eggs, lightly beaten
1/3 cup (80ml) vegetable oil
1/2 teaspoon cinnamon
1 finely chopped apple, skin on
1/2 cup (85g) raisins

Preheat oven to 180°C. Place flour and sugar in a large bowl. In a separate bowl, whisk together buttermilk, eggs, oil and cinnamon. Stir through apple and raisins.
Pour wet mixture into dry ingredients and stir until just combined. Spoon mixture into a lightly greased 12-hole, 1/2 cup muffin pan. Place in oven and bake for 20 minutes or until golden.