Pesto Lasagna with nuts

1 (18 ounce) package polenta, cut into 1/4 inch thick slices 1/2 (24 ounce) jar bottled marinara sauce 1/4 cup pesto 1/4 cup pine nuts 1 cup shredded[...]

16 ounces lasagna noodles 2 tablespoons olive oil 1 small onion , chopped 3 garlic cloves , minced 1 (16 ounce) package frozen chopped spinach , thawed and[...]

1 (16 ounce) package lasagna noodles, partially cooked according to package directions 3 tablespoons olive oil 1 1/2 cups onions , chopped 3 garlic cloves ,[...]