An Extreme Milkshake for Abby’s Birthday

I know, I know, I know. This is maybe the most ridiculous thing you’re going to see on this blog or maybe ever. It involved sketches and candy melts and extricating green M&Ms from a large bag of multicolored M&Ms and a small tube of mini ones; it involved baking brownies and whirling a milkshake. It involved an 11th-hour FaceTime consultation with Jodi…