Preheat oven to 350 degrees, grease a 9 inch cake pan with oil or cooking spray and set aside.
In a small bowl; mix together oats, sugar and cinnamon. Add coconut oil and mix until crumbly. Set aside.
In a large bowl; sift together gluten-free flour, baking powder and salt.
In a separate bowl; whisk together maple syrup, coconut oil and vanilla. Add wet ingredients to dry ingredients and mix until well combined. Fold in blueberries. (note: cake batter is thick, similar to cookie dough. You may need to use hands to fold in blueberries, don't be shy!)
Transfer batter to greased cake pan, add crumble topping and bake for 45-50 minutes or until a toothpick inserted comes out clean.
Let cool and enjoy :)
Notes
Hooray for Friday :)Enjoy these beautiful July weekends while they last :)