Ingredients
Equipment
Method
Preparation Steps
- Preheat your oven to 350°F (175°C). Gather ingredients and equipment.

- Melt 1 tablespoon of butter in a large skillet over medium heat. Add 1 cup of diced onion and sauté for about 5 minutes until translucent.

- Add 32 ounces of sliced mushrooms to the skillet and cook for 7-10 minutes, stirring occasionally, until softened. Season with ½ teaspoon of salt, 1 teaspoon of black pepper, and 2 teaspoons of garlic powder.

- Remove the skillet from heat and transfer the mushroom mixture to a casserole dish. Stir in ½ cup of cheese.

- Bake for 30 minutes in the preheated oven until bubbly and golden brown.

- Allow to cool for 5-10 minutes before serving.

Nutrition
Notes
This casserole is customizable with different cheeses and herbs. Ensure not to overcrowd the mushrooms while sautéing for best results.
