01 -
Thaw the frozen spinach, then cook it in a pan or microwave. When done, squeeze out all the water.
02 -
Boil the shell pasta in unsalted water for 10 minutes. Drain them and rinse with cold water to stop the cooking process.
03 -
Combine the drained spinach with ricotta and the eggs. Add salt and pepper for flavor. Taste it and adjust spices if needed.
04 -
In a bowl, stir the tomato sauce with garlic powder, oregano, and some salt. Taste and tweak the seasoning if you'd like.
05 -
Preheat your oven to 200°C. Spread the tomato sauce on the bottom of a baking dish. Stuff each shell with the spinach-ricotta mixture, then place them into the dish. Sprinkle the mozzarella over the top and bake for 20 minutes.