The phrase "to clean the kitchen" means to tidy up and make the kitchen neat by wiping surfaces, washing dishes, organizing things, and removing any dirt or mess. Full definition
Now I let the dough rise in a warm place for 4 hours, in two separate bowls that were covered with clean kitchen towels, until it had just about doubled in size. (tofufortwo.net)
Use same pan to warm tortillas; set aside covered with clean kitchen towel. (herdeztraditions.com)
Could have eaten another piece while cleaning the kitchen! (myrecipes.com)