Instructions: PREHEAT oven to 350 F.

MIX together salad dressing, eggs and water until well blended. Stir in brownie mix, mixing just until moistened.

COARSELY chop two chocolate bars; stir into brownie mixture. Pour into greased 13x9-inch baking pan.

BAKE 30 to 35 minutes or until edges begin to pull away from sides of pan.

Immediately top with one chocolate bar, chopped. Let stand about 5 minutes or until melted; spread evenly over brownies. Garnish with walnut halves, if desired. Cool. Cut into squares.

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