Impossible Chocolate Cream Pie
["2 eggs", "1 c. milk", "1/4 c. butter, softened", "1 tsp. vanilla", "2 (1 oz. each) sq. melted and cooled unsweetened chocolate", "1 c. sugar", "1/2 c. Bisquick", "whipped cream (optional)"]
["Heat oven to 350\u00b0.", "Grease 9-inch pie plate.", "Mix all ingredients, except whipped cream, on high speed for 1 minute. Pour into pie plate.", "Bake for 30 minutes.", "Top with whipped cream, if desired."]
["eggs", "milk", "butter", "vanilla", "chocolate", "sugar", "Bisquick", "whipped cream"]