Butternut Squash and Spinach Lasagna

INGREDIENTS

2 tbsp

olive oil

small yellow onion, diced

roasted red pepper, diced

4 cloves

garlic, minced

1/2 tsp

Italian seasoning

salt and fresh black pepper

butter, for greasing the pan

3 cups

firm cooked butternut squash, diced small or lightly mashed

15 oz

ricotta cheese

eggs, lightly beaten

1 tbsp

fresh chopped parsley

1/8 tsp

fresh grated nutmeg or ground cinnamon

1 lb

mozzarella cheese, shredded, divided

12 oz

fresh lasagna noodles (or 9-10 ounce oven ready - no cook noodles)

1 can

reduced sodium chicken broth

packed cups fresh, uncooked baby spinach leaves

2/3 cup

full fat sour cream

1/4 tsp

red pepper flakes, optional

1/2 cup

fresh grated Parmesan cheese, plus more for serving