Greek Salad

• 3 Tbsp. extra-virgin olive oil
• 3 Tbsp. red wine vinegar
• 1 1/4 Tbsp. lemon juice
• 1 clove garlic , minced (optional)
• 1 Tbsp. fresh oregano
• 1 Tbsp. parsley (flat-leaf)
• 1/4 tsp. Kosher salt
• 1/4 tsp. cracked black pepper , plus extra for garnish
• 6 vine-ripened tomatoes , cut into wedges
• 1/2 red onion , sliced
• 1 hothouse cucumber , sliced into rings
• 1/2 green bell pepper , chopped
• 4 ounces feta cheese , cut into small cubes
• 16 Kalamata olives , pitted