Fudge Brownie Pie With Real Hot Fudge Sauce
["4 oz. Bittersweet or semisweet chocolate, coarsely chopped", "1/3c.+1 Tbsp. All purpose flour", "2 Tbsp. Cocoa powder", "1/4 tsp. Baking powder", "Scant 1/4 tsp. Salt", "1/2 c. Unsalted butter, slightly softened", "3/4 c.+2 Tbsp. Sugar", "1 large Egg", "1 large Egg yolk", "2 tsp. Pure vanilla", "Vanilla or coffee ice cream, for serving"]
["Preheat oven to 325\u00b0f. 160\u00b0c. gas mark 3. In a double boiler melt the chocolate over 1 of hot, but not simmering water.", "Remove chocolate from the heat and cool slightly.", "Thoroughly stir together the flour, cocoa, baking powder and salt.", "In a large bowl, using an electric mixer, beat the butter and sugar until blended, about 2 minutes.", "Beat in the whole egg and the egg yolk, then beat in the vanilla.", "Beat for 2-3 minutes until the batter is very light and fluffy and the sugar has dissolved.", "Beat in the melted chocolate at low speed.", "Stir in the dry ingredients until incorporated."]
["chocolate", "flour", "Cocoa", "Baking powder", "Salt", "Unsalted butter", "Sugar", "Egg", "Egg yolk", "vanilla", "Vanilla"]