No-boil lasagna noodles are perfect for this recipe, as they absorb all the juices that accumulate in the crockpot. Use 2 (10-ounce) packages of frozen chopped spinach in place of fresh, if you prefer. Also, any mushroom will work.
Gyros are a classic Greek sandwich. Traditionally made of slices of marinated pork, packed on a spit, and then roasted in front of a fire, the gyro is one of the world's great sandwiches. Makes 4.