Best Brownies

This is our family's favorite brownie recipe, and we have tried A LOT!  They are very rich.  You will LOVE them :)  This recipe is for my pregnant sister.  I love you <3

3/4 cup butter
2 cups sugar
1 1/2 cup flour
1/2 cup cocoa powder
1/2 tsp baking powder
1/2 tsp salt
4 eggs
2 tsp vanilla extract
2 cups semi sweet chocolate chips, divided

Preheat oven to 350 degrees.  Grease a 9x13 baking pan. 

In a medium saucepan over low heat, melt butter. Remove from heat and add sugar, flour, cocoa powder, baking powder, salt, eggs and vanilla. Stir until well blended and smooth. 

Stir in 1 1/2 cups chocolate chips.  Spread in prepared pan.  Sprinkle with remaining 1/2 cup chocolate chips. 

Bake 30-35 minutes.  Do not overbake. Cool in pan on a wire rack.  Cut into 2-inch squares. Makes 24 brownies.