Lasagna noodles, prepared
Jar spaghetti sauce
7 oz prepared pesto
2 10 oz boxes frozen spinach
3 c ricotta cheese
1 c Parmesan cheese
Combine cheeses and egg in one bowl; set aside. Combine pesto and spinach in a separate bowl.
Spread 1 cup tomato sauce on bottom of baking dish. Layer noodles, ricotta mix, spinach mix, sauce; repeat a few times. Cover with foil and bake at 350 for 35 minutes. Uncover, sprinkle with grated fontina. Bake another 15 minutes. Let rest 10 minutes.
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