Should you not have olive oil spray, then simply wipe within the racks with bit of cooking oil and a paper large towel.
If you are in the designing stage, then consider getting a vanity cabinet of height and width which make towel storage easy.

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organic kala jeera
Discover the exceptional Himalayan Kala Jeera, also known as Black Caraway seeds, grown and sourced from remote Himalayan villages. With its delicate, nutty flavor and hints of orange and anise, Kala Jeera adds a delightful twist to various dishes.