Falafel, Feta, and Tomato Salad

Ingredients:

• 1/4 cup extra-virgin olive oil
• 2 tablespoons red wine vinegar
• 1/2 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 2 pounds tomatoes, sliced crosswise into 1/2-in.-thick slices
• 4 cups loosely packed arugula
• 1 cup sliced cucumber
• 3/4 cup thinly sliced red onion
• 1/2 cup torn fresh mint
• 4 [SUB_RECIPE_LINK {cooked falafel patties (from Falafel Pita Sliders), cut into 1/2-in. pieces} {151721}]
• 2 ounces feta cheese, crumbled (about 1/2 cup)
• 1/4 cup pine nuts, toasted