Banana Brownies

1 C. butter
6 ripe bananas
3/4 C. sugar
3/4 C. brown sugar
1 t. vanilla
3 eggs
3 C. flour
2 t. baking soda
1 t. salt
1 C. chocolate chips

Preheat oven to 350.
Cream butter. Add bananas, sugars, vanilla and eggs and mix well. Add flour, soda and salt and mix well. Mix in 1/2 C. of chocolate chips. Spread into greased 9x13 baking pan. Sprinkle the remaining 1/2 C. of chocolate chips on top.
Bake at 350 for 5 minutes. Use a knife to swirl in the melted chips on top. Return to oven and bake another 25-30 minutes. Cool and cut into squares.