Preheat oven to 220 degrees celcius and line a 12 count muffin pan with patty pans.
Combine oats and milk in a bowl, and set aside to soak.
In a second bowl, sift flour, freeze dried strawberries, baking powder, baking soda and salt together and stir with a whisk to combine.
In a 3rd bowl combine egg, yogurt, butter and apple. Stir through the oat/milk mixture.
Add bowl of wet ingredients to dry and gently fold batter until just combined (don't over mix!) Stir through blueberries.
Spoon batter into prepared muffin tin.
Bake in oven at 220 degrees for 5 minutes. Then turn down the tempurature to 180 degrees and continue to bake for 15 minutes (or until cooked through)