Chocolate Chunks, 61% Cacao, Extra Dark

PREP TIME: 10 MINUTES COOK TIME: 25 - 30 MINUTES SERVINGS: 12 BARS INGREDIENTS: 1 CUP OVERJOYED CHOCOLATE CHUNKS, DIVIDED 2 LARGE EGGS, AT ROOM TEMPERATURE 1 (15.25 OZ) BOX YELLOW CAKE MIX 1/3 CUP MELTED UNSALTED BUTTER 2 TEASPOONS PURE VANILLA EXTRACT 1 CUP CHOPPED NUTS, FLAKED COCONUT, OR DRIED FRUIT (OPTIONAL) DIRECTIONS: 1. PREHEAT OVEN TO 350°F. 2. LIGHTLY SPRAY A 9 X 13 BAKING PAN WITH NON-STICK COOKING SPRAY. 3. RESERVE 1/4 CUP CHOCOLATE CHUNKS FOR THE TOP; SET ASIDE. 4. IN A LARGE BOWL, BEAT EGGS. ADD CAKE MIX, BUTTER, AND VANILLA EXTRACT. STIR TO COMBINE. ADD CHOCOLATE CHUNKS AND OTHER MIX-INS. 5. TRANSFER THE BATTER INTO THE PREPARED PAN AND SPREAD EVENLY. 6. SPRINKLE 1/4 CUP RESERVED CHOCOLATE CHUNKS ON TOP. 7. BAKE FOR 25-30 MINUTES, OR UNTIL A TOOTHPICK INSERTED IN THE CENTER COMES OUT CLEAN. 8. REMOVE FROM OVEN AND COOL FOR 15 MINUTES BEFORE CUTTING INTO 12 BARS.