siggi's Icelandic-style yogurt: skyr - Sage Butternut Squash Lasagna

Ingredients

• 1 medium butternut squash, peeled and seeds removed, diced into 1/2″ cubes
• 12 sheets of no-boil lasagna sheets
• 1/2 cup Parmesan cheese
• 1/2 bunch sage leaves
• 2 Tbs olive oil
• 1/8 tsp fresh nutmeg
• 4 Tbs all-purpose flour
• 2 1/4 cups whole milk
• 1/2 cup siggi’s Plain skyr
• 1/2 cup mozzarella, shredded
• 1 tsp salt