01 - Set the oven to 425°F and line a large baking sheet with parchment paper.
02 - Combine farro, water, and ½ teaspoon salt in a saucepan. Bring to a boil, then lower heat, cover, and simmer for 20–25 minutes until tender. Drain excess water and set aside to cool slightly.
03 - Place diced zucchini, red bell pepper, red onion wedges, and halved cherry tomatoes on the baking sheet. Drizzle with olive oil and season with oregano, salt, and black pepper. Toss to coat evenly.
04 - Roast vegetables at 425°F for 20–25 minutes, stirring once halfway through, until caramelized and tender.
05 - In a small bowl, mix oats and pumpkin seeds with olive oil, smoked paprika, and salt. Spread evenly on a separate small baking sheet and bake alongside vegetables for 6–8 minutes, stirring once, until golden and crisp. Allow to cool.
06 - Whisk together extra-virgin olive oil, lemon juice, Dijon mustard, minced garlic, salt, and black pepper in a small bowl or jar.
07 - Combine cooked farro and roasted vegetables in a large bowl. Drizzle with dressing and toss gently to combine.
08 - Sprinkle oat topping, crumbled feta if using, and chopped parsley over the salad. Serve warm or at room temperature.