01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - Arrange bell pepper halves cut side down on baking sheet. Roast 20-25 minutes until skins are charred and blistered. Transfer to bowl, cover, steam 10 minutes, then peel and discard skins. Chop into bite-sized pieces.
03 - Rinse farro. In medium saucepan, combine farro, water, and salt. Bring to boil, reduce heat, cover, simmer 20-25 minutes until tender but chewy. Drain excess water and cool slightly.
04 - Whisk together olive oil, lemon juice, oregano, Dijon mustard, garlic, black pepper, and pinch of salt in small bowl.
05 - Combine cooked farro, roasted peppers, cucumber, cherry tomatoes, red onion, olives, parsley, and mint in large mixing bowl. Drizzle with dressing, toss gently.
06 - Divide mixture among serving bowls. Top each with crumbled feta. Serve immediately, garnished with extra herbs if desired.