PREHEAT oven to 350°F. Line 13 x 9-inch baking pan with foil. Lightly grease.
COMBINE flour, cocoa and baking soda in small bowl.
MELT butter in large, microwave-safe bowl on HIGH (100%) power until melted. Stir in sugar. Add eggs, one at a time, beating well after each addition. Stir in coffee granule mixture and vanilla extract. Gradually stir in flour mixture. Fold in 1 cup DelightFulls morsels. Spread into prepared baking pan. Sprinkle remaining ½ cup DelightFulls morsels over batter.
BAKE for 28 to 31 minutes or until wooden pick inserted near center comes out slightly sticky. Cool completely in pan on wire rack.
DRIZZLE with Coffee Glaze. Allow to set slightly. Lift out by foil edges to cutting board. Carefully remove foil. Cut into bars. Store in airtight container.
FOR COFFEE GLAZE: DISSOLVE ½ teaspoon NESCAFÉ® TASTER'S CHOICE® House Blend 100% Pure Instant Coffee Granules and 1 tablespoon hot water in small bowl. Stir in ½ cup powdered sugar and 1½ teaspoons NESTLÉ® TOLL HOUSE® Baking Cocoa until smooth.