Go To Recipe: Blueberry Friand Slice

I am hardly experimental when it comes to baking something to a party or unexpected guests, especially if there isn't much notice. I don't generally like to offer just something I've bought, so having a few go-to, no-fail recipes (savoury as well as sweet) is a must. I need to trust these recipes will turn out good every time and it's helpful if they are not only easy, but also something I