Dry coffee grounds can neutralize intense odors in your refrigerator. Simply allow coffee grounds to dry before placing an open container of them in your refrigerator.
Coffee grounds make for an effective and nutrient-dense substrate for mushrooms. You can use them to grow tender enoki or cultivate textured oyster mushrooms.
Since it’s acidic, coffee can break down some of the collagen in meat. Make a rub with used coffee grounds and savory spices for flavorful melt-in-your-mouth meat.