I'd already made a double batch of Stewed Rhubarb (yum) and still had 1C of rhubarb left - so I made MUFFINS! Growing up my mom made a delicious rhubarb crisp - this oatmeal muffin is a homage to that crisp. #superyum 1 1/2C rolled oats 1 1/2C boiling water 1/2C...