Sapphire Wafers. Lithium Niobate Wafers. Sapphire is a material of a unique combination of physical, chemical and optical properties, which make it resistant to high temperature, thermal shock, water and sand erosion, and scratching.
Put a tortilla on a plate, covered with a damp paper towel. Alternate tortillas with paper towels. Microwave for 30 seconds to one minute, depending on how many tortillas. Preheat the oven to 250 degrees. Wrap a stack of tortillas in a damp dish towel and place in a casserole dish of similar size. Cover with a lid or a piece of aluminum foil tightly on the dish. Place in oven for 20 minutes. Once the tortillas are heated, transfer them to a tortilla warmer to keep them nice and hot.
How to Make It. 1  Preheat oven to 400Â°. Cut tortillas into 1/4-inch strips. 2  Toast strips at 400Â° on middle oven shelf 5 minutes. Toss well, return to oven, and toast about 5 minutes more until crisp and lightly browned. 3  Note: If making ahead, store cooled strips in an airtight container.