Are you having a tough time removing odors from your refrigerator? A little vanilla extract goes a long way towards removing musty, mildew smells in your refrigerator. For a fresh smelling refrigerator, empty your refrigerator and clean all surfaces with a solution of water and baking soda. Then soak a paper towel with vanilla extract, and leave it in the fridge overnight. Come morning, you will be greeted with a fresh, delicious scent. Removing odors from your refrigerator is easier than you think.