brush caps with olive oil and season with salt and pepper
bake mushroom caps gill side up for 8 minutes to release moisture then carefully drain any liquid.
Fill And Bake
mix cream cheese
sour cream
garlic
spinach
mozzarella
Parmesan
Italian seasoning and optional pepper flakes until combined
spoon filling into each cap
mix panko with melted butter and Parmesan then sprinkle over filled caps
bake 15 to 18 minutes until topping is golden and filling is hot
broil 1 to 2 minutes if needed for extra browning
rest 5 minutes then garnish with parsley and serve warm.
Notes
1. Use thawed frozen spinach squeezed dry if needed. Swap Greek yogurt for sour cream for a lighter filling. Add chopped artichoke hearts or cooked crumbled bacon for variation. Use gluten free breadcrumbs to make it gluten free