Ingredients:
- 1 plus 2 tablespoons unsalted butter
- 5 ounces milk chocolate, chopped
- 3 tablespoons cake flour
- 1/3 cup all-purpose flour
- 1/2 cup unsweetened cocoa powder
- 1/2 teaspoon salt
- 2 eggs
- 3/4 cup sugar
- 1/2 teaspoon pure vanilla extract
- Vanilla ice cream, for serving optional