Use firm, plump cremini or button mushrooms for best flavor and texture., Butter can be replaced with olive oil or coconut oil for a dairy-free version., Add spices like red pepper flakes or chopped jalapeños for heat., Enhance flavor by sautéing diced onions or bell peppers with mushrooms., Swap parsley with other herbs like thyme, rosemary, or chives for different flavor., A drizzle of balsamic vinegar at the end adds a sweet-and-tangy contrast., Store leftovers in an airtight container in the refrigerator for up to 3 days., Reheat leftovers gently on stovetop over low heat to maintain texture and flavor., Freezing is not recommended as mushrooms can become mushy upon thawing.