FOR THE BATTER:
2/3 CUP ALL PURPOSE FLOUR
1/4 TSP SALT
1/2 TSP BAKING POWDER
2 OZ UNSWEETENED CHOCOLATE
2 OZ SEMISWEET CHOCOLATE
2 OZ BITTERSWEET CHOCOLATE
2 TBSP STRONG BREWED COFFEE
1/2 CUP (1 STICK) BUTTER
1 CUP SUGAR
2 TSP VANILLA EXTRACT
3 LARGE EGGS
FILLING:
8 OZ MASCARPONE CHEESE
1/4 CUP SUGAR
1/4 TSP VANILLA EXTRACT
1 EGG YOLK
Recipe
TO PREPARE:
HEAT OVEN TO 325*
GENEROUSLY BUTTER & FLOUR AN 8X8 SQUARE PAN
TO MAKE BATTER:
IN A SMALL BOWL, SIFT TOGETHER THE FLOUR, SALT & BAKING POWDER. SET ASIDE.
IN A DOUBLE BOILER, COMBINE THE CHOCOLATES, COFFEE AND BUTTER. STIR OCCASIONALLY UNTIL THE MIXTURE IS MELTED & SMOOTH. REMOVE FROM HEAT. ADD THE SUGAR & VANILLA. COOL SLIGHTLY. ADD THE EGGS, ONE AT A TIME, STIRRING, TO FULLY INCORPERATE INTO THE MIXTURE. COMBINE WITH THE FLOUR MIXTURE.
PREPARE THE FILLING MIXTURE IN A SEPARATE BOWL.
POUR 1/2 OF THE BATTER INTO THE BAKING PAN. SPOON 1/2 OF THE FILLING IN “DOTS” OR SPOONFULS ONTO THE BATTER MIXTURE. TOP WITH THE REMAINING BATTER AND AGAIN WITH THE FILLING.
RUN A KNIFE IN S- SHAPES THROUGH THE MIXTURE TO SLIGHTLY COMBINE.
BAKE AT 325* FOR 50 MINUTES
REMOVE FROM THE OVEN AND LET COOL 2-3 HOURS.
CUT AND SERVE.