In a large sauce pan on medium heat, melt ricotta/cottage cheese and cream cheese together. Add in garlic and artichoke hearts. Season with salt and pepper. Let cool a little bit.
In a 9x13 baking dish, spray with nonstick spray. Pour an even layer of marinara sauce into pan. Strategically layer a single layer of lasagna noodles over sauce so that they do not over lap..
Layer spinach over noodles. Spoon a layer of the cheese sauce over spinach. Add 6 mozzarella slices over cheese sauce. Sprinkle with feta. Repeat steps 2-3 starting with marinara sauce.
Bake according to directions on noodle package. My package said bake at 425 for 40 minutes with lasagna covered with foil and then to remove foil and bake for an additional 20 minutes. Remove from oven and cool for 15 mins before serving.
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