6 tablespoons (3/4 stick) butter or margarine, softened
1 1/2 teaspoons vanilla extract
2 large eggs
2 cups miniature marshmallows
1 1/2 cups coarsely chopped walnuts
Heat oven to 375 degrees F. Grease 13 x 9-inch baking pan.
Microwave 1 cup morsels in medium, uncovered, microwave-safe bowl on HIGH
(100%) power for 1 minute; stir. Morsels may retain some of their original shape.
If necessary, microwave at additional 10 to 15-second intervals, stirring just
until morsels are melted.
Cool to room temperature.
Combine flour and baking
powder in small bowl.
Beat sugar, butter and vanilla in large mixer bowl until crumbly.
Add melted chocolate; beat until smooth.
Gradually beat in flour mixture.
Spread batter into prepared baking pan.
Bake for 16 to 20 minutes or until wooden pick inserted in center comes
out slightly sticky.
Remove from oven; sprinkle immediately with marshmallows, nuts and remaining
Return to oven for 2 minutes or just until marshmallows begin to melt.