Mushroom Stroganoff Toast Recipe - Alton Brown

Ingredients

• 8 ounces oyster mushrooms, tough ends removed and torn into generous bite-sized pieces
• 3 tablespoons ghee, melted and divided
• 1 1/4 tablespoons kosher salt, divided
• 1 teaspoon freshly squeezed lemon juice, plus more to taste
• 1 pound mixed meaty mushrooms, such as cremini and button, trimmed and sliced 1/4 inch thick
• 1/3 cup water
• 4 scallions, thinly sliced on the bias and white and green parts separated
• 3/4 cup sour cream
• 2 tablespoons heavy cream
• 1/4 teaspoon freshly ground black pepper, plus more for serving
• 4 (3/4-inch-thick) slices high-quality bread, such as country French or sourdough