A classic with a vegetarian twist: Acorn squash lasagna

Lasagna gets a vegetarian twist with a filling made from roasted acorn squash and kale, instead of meat. (Gretchen McKay/Pittsburgh Post-Gazette/TNS)

Lasagna gets a vegetarian twist with a filling made from roasted acorn squash and kale, instead of meat. (Gretchen McKay/Pittsburgh Post-Gazette/TNS)

How do I know it’s really fall? Instead of tomatoes and corn, my local farm stand has several different varieties of squash on display next to the jack-o’-lantern pumpkins.