01 - Rub chicken breasts with olive oil, garlic powder, smoked paprika, salt, and pepper.
02 - Preheat a grill pan or skillet over medium-high heat. Grill chicken for 6–7 minutes per side, or until cooked through and juices run clear.
03 - Let chicken rest for 5 minutes, then slice thinly.
04 - In a small bowl, whisk together olive oil, lemon juice, Dijon mustard, oregano, salt, and pepper to make the dressing.
05 - Arrange spinach and romaine in two bowls.
06 - Top with cucumber, cherry tomatoes, red bell pepper, red cabbage, and avocado slices.
07 - Add sliced grilled chicken to each bowl.
08 - Drizzle with lemon-herb dressing and sprinkle with roasted pumpkin seeds. Serve immediately.