2 cups chocolate chips
1/4 cup margarine
2 cups Bisquick
1 can sweetened condensed milk
1 egg, beaten
1 teaspoon vanilla extract

Preheat oven to 350 degrees F. Grease well a 13 x 9-inch pan.

In large saucepan, over low heat, melt 1 cup chips with margarine; remove from heat. Add Bisquick, sweetened condensed milk, egg and vanilla extract. Stir in remaining chips. Turn into prepared pan. Bake 20 to 25 minutes or until brownies begin to pull away from sides of pan. Cool.

Garnish as desired. Cut into bars.