Better Spinach & Cheese Stuffed Mushrooms

• 24 ounces white mushrooms
• 1 tablespoon olive oil
• 1 tablespoon butter
• 1 whole medium onion, diced
• 12 cup panko breadcrumbs
• salt and pepper
• 8 ounces cream cheese, softened
• 13 cup sour cream
• 12 cup grated cheddar cheese
• 12 cup grated monterey jack cheese
• 1 (8 ounce) box frozen chopped spinach, thawed and squeezed dry

1. Preheat oven to 350 degrees.
2. Wash and dry mushrooms.
3. Pull the stems off the mushrooms and chop the stems finely.
4. Heat olive oil and butter in a skillet over medium-high heat.
5. Add onion and chopped mushroom stems and saute for several minutes or until soft and starting to turn golden.
6. Add Panko, salt, and pepper.
7. Stir and continue cooking for 2 minutes.
8. Remove from heat and set aside to cool.
9. In a large bowl, add cream cheese, sour cream, cheeses, and cooked mushroom mixture.
10. Fold together to combine.
11. Add spinach and combine.
12. Using a spoon, mound the mixture into the stemmed mushroom caps.
13. Place on a baking sheet.
14. Bake for 20-25 minutes or until mushrooms are cooked and filling is hot.
15. Serve immediately or at room temperature.

white mushrooms, olive oil, butter, onion, breadcrumbs, salt, cream cheese, sour cream, cheddar cheese, grated monterey

Taken from www.food.com/recipe/better-spinach-cheese-stuffed-mushrooms-493630 (may not work)