Preheat oven to 375F. Grease an 8x8 inch baking dish with cooking spray.
First of all, you have to microwave spinach leaves. To dothis, place the spinach leaves in a bowl, cover and microwave for just a few minutes. Squeeze the leaves to dry.
Now, combine the beef ravioli, tomatoes, and Italian seasoning in a bowl. Cover the bowl and microwave for 4 to 5 minutes.
Combine and mix cottage cheese, spinach and black pepper ina small bowl.
Add half of the ravioli mixture in the baking dish andspread evenly in the bottom of the dish. Add a layer of cottage cheese mixture and then spread ½ cup of shredded cheese. Repeat this process to add layers.
Bake until cheese has melted starts making bubbles (for 15minutes).