Coffee Bitters made by Portland Bitters Project using our Organic Terra Sana Blend. With a rich, intense coffee flavor, these bitters will make an interesting addition to your favorite cocktail. Notes of gentian and a whisper of orange complement the deep, dark coffee flavor. Use in one of our cocktails (recipe included) or add to a White Russian, hot chocolate or Manhattan for a magical effect. 2 Fluid Ounces.