By definition, bitters are bitter and aromatic herbs and spice infusions in tinctures or spirits. You’re probably familiar with the bar staples: Peychaud’s and Angostura bitters, but with the recent focus on mixology, bitters have come to the forefront. There has been more focus on the flavors of bitters and how they can enhance a drink. With the right packaging, homemade bitters are also a perfect DIY gift idea!