1/2 cup margarine
1/4 teaspoon baking powder
1 cup sugar
3/4 cup GF baking mix
1/2 cup chopped walnuts (optional)
1 teaspoon GF vanilla
1/2 cup GF cocoa
Microwave margarine (in a large glass bowl) on HIGH power for 45 seconds to melt. Add eggs, sugar and vanilla. Beat until creamy. Mix in dry ingredients just until blended.
Spread evenly into 8-inch square baking dish. Microwave on MEDIUM for 8 to 10 minutes until the top appears dry and springs back when lightly touched. Turn dish a half turn about halfway through cooking. Cool and cut into bars.