Cheese Cake Brownies
["4 oz. unsweetened chocolate", "1/2 lb. unsalted butter", "1 lb. room temperature cream cheese", "2 2/3 c. sugar", "5 eggs", "2 1/2 tsp. vanilla", "1 Tbsp. lemon juice", "1 1/2 c. flour", "1/2 tsp. baking powder", "1/2 tsp. salt"]
["Heat oven to 325\u00b0.", "Butter a 13 x 9-inch pan.", "Chop chocolate. In a small saucepan, combine chocolate and butter and melt over low heat, stirring occasionally until smooth.", "Let cool.", "With mixer at medium-low speed, beat cream cheese and 2/3 cup of sugar until smooth.", "Beat in 1 egg, 1 teaspoon of vanilla and the lemon juice; set aside.", "Combine flour, baking powder and salt.", "On medium-low speed, beat remaining eggs and 1 1/2 teaspoons of vanilla until frothy.", "Gradually beat in remaining sugar.", "Beat in chocolate mix.", "Pour half of chocolate batter into pan.", "Carefully spoon on cream cheese mix.", "Smooth surface.", "Spoon remaining chocolate mix on cheese mix and smooth.", "Bake about 1 hour until knife stuck in center comes out clean.", "Cool and chill before cutting."]
["unsweetened chocolate", "unsalted butter", "cream cheese", "sugar", "eggs", "vanilla", "lemon juice", "flour", "baking powder", "salt"]