Spinach Lasagna with Walnut Pesto

little olive oil for the pan

fresh spinach, washed*

nonfat ricotta cheese or nonfat cottage cheese

Walnut Pesto (recipe follows)

large cloves garlic, minced

salt

Freshly ground black pepper

grated Parmesan cheese

minced walnuts, lightly toasted

jar low-sugar tomato sauce (or your favorite sauce)

fresh, uncooked green (spinach) lasagna noodles or, if using dried, no-boil noodles

low-fat mozzarella cheese, grated

Walnut Pesto:

packed fresh basil leaves

large cloves garlic

lightly toasted walnuts

extra virgin olive oil

grated Parmesan cheese

Salt and pepper

Additional extra-virgin olive oil (for storage)