Ingredients
- 1 1/4 cups brown sugar, packed
- 3/4 cup old-fashioned rolled oats
- 3/4 cup milk
- 1/2 cup sugar
- 3 large eggs, beaten
- 3 tablespoons unsalted butter, room temperature
- 1 1/2 teaspoons vanilla extract
- 1/4 teaspoon salt
- 1 unbaked pie shell
- vanilla ice cream, optional
