Pasta Salad with Cherry Tomatoes and Green Olivada

INGREDIENTS

• 1 pound gemelli, fusilli, or rotelle pasta
• 1 tablespoon red wine vinegar
• 2 tablespoons chopped fresh oregano
• 1 tablespoon Dijon mustard
• 1/2 cup plus 1 tablespoon extra-virgin olive oil
• 1 8-ounce package small (cherry-size) fresh mozzarella balls in water
• 1 garlic clove, peeled
• 2 cups coarsely chopped pitted green olives (from about 6 ounces unpitted whole olives), divided
• 1 teaspoon anchovy paste
• 1/4 teaspoon dried crushed red pepper
• 2 pints cherry tomatoes or grape tomatoes, halved
• 3 tablespoons capers, drained