I hosted a Friendsgiving two weeks ago to celebrate the arrival of the holidays with some of my closest girlfriends in San Francisco. If you’ve never done a Friendsgiving before, I highly recommend it. It’s an awesome way to share stories and catch up over some delicious food and wine. I decided to make Pumpkin Lasagna for the group because its a great dish that serves a lot of people, tastes delicious, and is easy to make!     Ingredients: 18 oz Lasagna sheets (I used a store bought gluten-free pasta) 2 C mozzarella 1/2 C parmesan 15 oz (about 2 C) low-fat ricotta cheese 5 oz fresh spinach 15…