Easy Double Chocolate Chip Brownies

Ingredients:
2 cups semi-sweet chocolate chips - divided
1/2 cup margarine - cut into pieces
3 eggs
1 1/4 cup flour
1 cup sugar
1 tsp. vanilla
1/4 tsp. baking soda

Directions:
Melt 1 cup chocolate chips and butter - stir until smooth. Remove from heat. Stir in eggs. Stir in flour, sugar, vanilla and baking soda. Stir in remaining chips. Spread in greased 9 x 13 pan.

Bake at 350 for 18-22 minutes.