Katrina Niesen, known as The Sourdough Mama, is a sourdough artist, educator, and content creator. She is widely known for her 3D sourdough creations like butterflies, bows, and flowers. Her work has been featured on Good Morning America, highlighting how she uses sourdough to foster creativity and connection, particularly for new mothers. Through her engaging workshops—both in-person and virtual—Katrina empowers bakers of all levels to master fermentation and artistic scoring techniques.