The phrase "beautiful garnish" refers to something that is added as decoration or ornamentation, making it look attractive and pleasing to the eye. Full definition
Mixologists are finding that MicroGreens, Herbs, Fresh Edible Flowers, Crystallized Flowers, Flower Crystals ™, and Mini Herb and Flower Crystals ® are a fantastic taste ingredient and beautiful garnish for all kinds of cocktails! (freshorigins.com)
Sugar & Spice Cranberries are a tart, sweet treat, made with a deliciously spiced simple syrup; perfect for holiday snacking, creating beautiful garnishes, or decking out everything from salads to desserts. (thegoodheartedwoman.com)