Preheat your oven to 350 degrees Fahrenheit.
Lightly grease a 9″x13″ baking pan.
3/4 cup softened butter(1-1/2 sticks)
1 cup sugar
1 cup packed brown sugar
1 teaspoon vanilla extract
2-1/4 cups flour
2-1/2 teaspoons baking powder
1/2 teaspoon salt
1/3 cup cocoa powder
1 Tablespoon butter, melted
1 cup m&ms, divided in two
1/4 cup flour
Cream the 3/4 cup butter and sugars in a large bowl.
Beat in the eggs and vanilla extract.
Combine the 2-1/4 cups flour, baking powder and salt. Add that to your butter/sugar mixture.
Remove half the batter and put in a separate bowl.
Mix the melted butter and cocoa powder and add to one half of the batter.
Spread that into the bottom of your baking pan.
Stir the 1/4 cup flour and 1/2 cup m&ms into the white batter.
Spread that batter over the cocoa layer.
Sprinkle the remaining 1/2 cup m&ms over the top of the bars.
Bake for 25-30 minutes or until edges start to pull away from the side of the pan.
Let cool before cutting.
Makes 24 bars.