Place tapenade ingredients in food processor bowl with S Blade. Pulse 3- 4 times or until mixture is minced.
Toast baguette slices in toaster oven or broiler oven, 6-inches from heat, turning once to brown evenly.
Spread toasted baguette slices evenly with 1⁄2 Tbsp. pesto; top with one Roma tomato slice and 1 Tbsp. tapenade.
TIP: Garnish appetizers with a fresh basil leaf, if desired.
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