Instructions:
- Preheat your oven to 400°F (200°C). Spray the bottom and sides of a 9×13 inch baking dish with olive oil spray.
- Peel and slice the butternut squash into thin slices, about 1/8 to 1/4 inch thick.
- Layer the sliced butternut squash on the bottom of the prepared baking dish, overlapping slightly.
- Add a layer of 4 slices of prosciutto on top of the butternut squash.
- Sprinkle a layer of shredded mozzarella cheese over the prosciutto.
- Repeat the layers: butternut squash, pesto, and mozzarella cheese.
- For the final layer, add butternut squash, remaining slices of prosciutto, and a generous layer of shredded mozzarella cheese.
- Sprinkle grated Parmesan cheese, dried oregano, and chili pepper flakes over the top of the lasagna.
- Spray the top lightly with olive oil spray.
- Bake in the preheated oven for 40-45 minutes, or until the butternut squash is tender and the cheese is bubbly and golden brown.
- If the top starts to brown too quickly, cover the lasagna with foil for the last 20 minutes of baking.
- Allow the lasagna to cool for 10 minutes before slicing.
- Serve slices of the butternut squash lasagna topped with additional chili pepper flakes for added flavor.
Notes:
- The recipe doesn’t call for added salt since the prosciutto is salty enough. However, if you omit the prosciutto, consider seasoning the butternut squash layers with salt to taste.