Preheat oven to 400 degrees F.
Toss sliced baguette with 2 tablespoon olive oil, salt, and pepper. Spread on a baking sheet and bake for 5-7 minutes or until golden brown. Turn crostini over and toast for an additional 3 minutes or until both sides are golden brown. Let cool. Set aside.
Combine goat cheese, cream cheese, and heavy cream in a medium bowl. Whip with a whisk or process in a food processor until light and fluffy. Set aside.
Heat 2 tablespoon butter in a nonstick saute pan over medium heat. Add sliced mushrooms and thyme; cook until browned, about 6-7 minutes, stirring frequently. Deglaze the pan with sherry and cook until the liquid is evaporated. Season with salt and pepper. Remove from heat.
Spread goat cheese spread on the toasted crostini. Top with sauteed mushrooms and sprinkle chopped parsley, Maldon salt, freshly cracked black pepper, and a drizzle of extra virgin olive oil. Serve warm.