Follow these simple steps to create your Spinach Stuffed Mushrooms:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Mushrooms: Clean the mushrooms with a damp paper towel. Remove the stems carefully and set aside.
3. Sauté Spinach: Heat 1 tablespoon of olive oil in a skillet over medium heat. Add minced garlic and sauté for about 1 minute. Add the chopped spinach and cook until wilted, about 2-3 minutes. Remove from heat.
4. Mix Filling: In a mixing bowl, combine the cream cheese, Parmesan cheese, mozzarella cheese, sautéed spinach, red pepper flakes, salt, and pepper. Mix until smooth.
5. Stuff Mushrooms: Using a spoon, fill each mushroom cap generously with the prepared filling.
6. Prepare for Baking: Place the stuffed mushrooms on a baking sheet lined with parchment paper. Drizzle the remaining olive oil over the mushrooms and sprinkle breadcrumbs on top for extra texture (optional).
7. Bake: Bake in the preheated oven for 20-25 minutes, or until the mushrooms are tender and the filling is lightly golden.
8. Cool Slightly: Allow the stuffed mushrooms to cool for a few minutes before serving.

By following these steps, you’ll create a dish that showcases the delightful combination of flavors found in Spinach Stuffed Mushrooms.