First, preheat your oven to 350 degrees F. This ensures that your mushrooms will bake evenly.
Next, line a baking sheet with foil and set it aside to catch any drips from the mushrooms while they bake.
Using a damp paper towel, wipe each mushroom clean. It’s important to remove any debris carefully without soaking them.
Gently pull the stems out of the caps and trim any woody parts away. Make sure to keep the caps intact, as they will hold the delicious filling.
Place the cleaned mushroom caps stem-side up on the foil-lined baking sheet, allowing them to be ready for stuffing.
Finely chop the mushroom stems, as they will add flavor to your filling.
Heat a pan over medium-high heat and add the avocado oil. Allow it to heat up before adding the chopped mushroom stems and red bell pepper.
Cook for about 3 to 5 minutes, stirring occasionally. You’ll want to ensure that most of the moisture evaporates and the veggies become tender.
Next, add the garlic to the pan and cook until it’s fragrant, about 30 seconds.
Remove the pan from the heat and let the mixture cool for about 10 minutes. This prevents the filling from cooking the cream cheese too quickly.
In a medium bowl, combine the softened cream cheese, parmesan cheese, Rustic Herb Seasoning, chopped parsley, and the cooled mushroom mixture.
Use a sturdy spoon to mix until everything is combined completely.
Scoop the cream cheese mixture into the mushroom caps generously, filling them to the brim.
Finally, bake the stuffed mushrooms in the preheated oven for 20 minutes. They should be lightly browned, and you'll notice moisture beginning to release at the bottom of the mushrooms.
Garnish with extra parsley if desired, and enjoy them right away! They’re best served hot from the oven.