In a large bowl, add all the dry ingredients: glutinous rice flour, oats, cocoa powder, baking powder and salt. Mix to combine.
In a separate bowl, whisk the eggs, then add the peanut butter, maple syrup, coconut milk, and vanilla extract. Mix well.
Pour the liquid ingredients into the dry mixture and whisk again until well combined. Add the chocolate chips.
Grease a baking tin or dish and line with baking paper. Pour the batter into the dish and bake in the oven for 25-30 minutes or until the skewer comes out clean