Preheat the oven to 350°F.

Start by lightly sauteéing lightly the onion. Once it’s ready, remove from the pan and sauteé the spinach for 2-3 minutes. 

In a large bowl, mix the onions and and the spinach. Add the ricotta, the beaten eggs, salt, pepper, thyme and honey. Mix very well. 

Grease a large round pan and pour in the mixture. Top with the sliced mushroom and sprinkle the parmesan. Bake for 45 minutes.