Brownie Peppermint Pie
Heat oven to 350 degrees (moderate). Prepare 1 package of our Betty Crocker Brownie Mix and pour into a greased 9'' round layer pan. Bake 10 minutes. While pie is baking, melt 2 sq. unsweetened chocolate (2 oz.) and add 1/4 tsp. peppermint extract. Take pie from oven and quickly drizzle chocolate mixture on top. Bake 15 to 20 minutes more. When cool, cut in wedges and top with ice cream. 8 to 10 servings.
Taken from Betty Crocker's Guide to Easy Entertaining: How to Have Guests — and Enjoy Them. Published in 1959.