Ricotta Brownie

'Melt the chocolate with 3 tablespoons of butter or margarine over low heat, stirring constantly'

'Let it cool down'

'Beat the remaining butter or margarine and ricotta cheese until smooth'

'Add 1/4 cup of sugar, 1 tablespoon of all-purpose flour, and vanilla extract, beating well'

'Add 1 egg and mix well'

'Beat the remaining eggs until pale yellow'

'Gradually add the remaining sugar, beating well'

'Add baking powder, flour, cooled chocolate, and 1 teaspoon of vanilla extract, mixing well'

'Reserve 1 cup of the chocolate mixture and set aside'

'Spread the remaining chocolate in a greased 21x28.5cm dish'

'Pour the ricotta mixture over it'

'Drizzle the reserved chocolate mixture over the ricotta in spoonfuls'

'Use a fork to create a marbled effect'

'Bake at moderate heat (170°C) for 35-40 minutes'

'Let it cool down and cut into squares'

'Leave about 20 pieces'