Chocolate Chip Brownies - cooking recipe

Ingredients

2/3 c. butter
2 c. brown sugar
2 tsp. vanilla
2 eggs
1 tsp. baking powder
1 tsp. salt
2 c. flour
1 c. chopped nuts
1 (6 oz.) pkg. chocolate chips

Preparation

Melt butter in saucepan; remove from heat.
Add remaining ingredients, one at a time.
Pour into a 9 x 13-inch pan.
Bake at 350\u00b0 for 25 to 30 minutes.