Blue raspberry is one of those flavors you instantly recognize: It’s bright, tangy and unapologetically electric-blue. You’ve probably sipped it in a slushie, chewed it in a gummy, or powered through ...

Made with a few drops of blue milk blue food coloring and a generous amount of butter, blue-milk macarons are filled with tasty surprises — homemade buttercream and raspberry jam, to be precise, which ...