Triple-vanilla brownies

Brownie
Butter	½ cup
Vanilla baking chips	10 ounces
Flour, all-purpose	1 ¼ cups
Sugar, granulated	¾ cup
Nuts, chopped	½ cup
Vanilla extract	1 teaspoon
Salt,	¼ teaspoon
Eggs	3
Glaze
Sugar, powdered	1 ½ cups
Butter	2 to 3 tablespoons
Vanilla extract	½ to 1 teaspoon
Milk, warmed	1 to 2 tablespoons

1. Preheat oven to 350°F; grease and flour a 13x9-inch baking dish.
2. In a 2-quart saucepan, heat butter and chocolate over low heat, stirring frequently, until melted; remove from heat, and cool.
3. In a bowl, combine remaining brownie ingredients, and then stir in the chocolate mixture.
4. Spread evenly in prepared dish, and bake for 30 to 35 minutes, or until a toothpick inserted in the center comes out clean; cool completely.
5. In a medium bowl, combine all glaze ingredients until smooth and spreadable; spread glaze over brownies.