Pistachios and walnut oatmeal muffins

Preheat your oven to 180C.
In a bowl add milk and vinegar and leave for 10 minutes.

In a bowl combine the flour, oats, brown sugar, ground flaxseed, baking soda, baking powder, cinnamon, and salt.
Add the milk, oil, cardamom and mix well. Add the shredded apples and the nuts.
With a icecream scoop fill the muffin case with the batter and sprinkle nuts on top of muffins.

Bake for 10 minutes at 180 C and then reduce the temperature to 160 C and bake for another 10 minutes or until a toothpick comes out clean.