Oat, apple and pecan pancakes

Ingredients

• 1 1/3 cup (120g) rolled oats
• 1 1/2 cup (375ml) boiling water
• 1 large egg, lightly beaten
• 1 cup (150g) plain flour
• 1 1/2 tablespoon baking powder
• 1/3 cup (75g) caster sugar
• 1 cup (25oml) milk
• 60 gram unsalted butter, melted, plus 30 g extra (more if necessary)
• 3 sweet apples (such as pink lady or golden delicious), cored and diced into 1 cm cubes
• 1/2 cup (70g) pecans, roughly chopped
• butter and maple syrup, to serve