Making delicious stuffed mushrooms is a straightforward process. Follow these easy steps to create your flavorful appetizers:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Prepare Mushrooms: Clean the mushrooms with a damp cloth. Remove the stems and set them aside.
3. Chop Stems: Finely chop the mushroom stems to use in the stuffing.
4. Sauté Stems: In a skillet, heat olive oil over medium heat. Add the chopped mushroom stems and minced garlic. Sauté for about 3-4 minutes until softened.
5. Mix Filling: In a large bowl, combine the sautéed mushroom stems, cream cheese, Parmesan cheese, breadcrumbs, parsley, salt, pepper, red pepper flakes, and oregano. Mix until well combined.
6. Stuff Mushrooms: Using a spoon, generously fill each mushroom cap with the stuffing mixture.
7. Arrange on Baking Sheet: Place the stuffed mushrooms on a baking sheet lined with parchment paper.
8. Bake: Bake in the preheated oven for 20-25 minutes or until the mushrooms are tender and the tops are golden brown.
9. Cool Slightly: Remove from the oven and let them cool for a few minutes before serving.

These steps will guide you through creating delicious stuffed mushrooms that are sure to delight your guests!