In bowl of food processor, combine 2 tbsp. olive oil, pimientos, olives, capers and garlic. Pulse 10 times, or until ingredients mix and develop a chunky consistency. Transfer tapenade to bowl; stir in cilantro and season with adobo. Cover bowl; set in refrigerator until ready to use. (Note: tapenade mixture can be stored, covered, for up to 3 days).
To toast bread, heat 2 tbsp.oil in large sauté pan over medium-high heat. Add bread to pan. Toast until golden brown and crisp on both sides, flipping once, 3-4 minutes, adding oil in 1 tbsp. measure when pan becomes dry.
To serve, arrange toast on plate. Evenly divide tapenade over toasts. Garnish with cilantro, if desired.