Turmeric-Ginger Chicken Chopped Salad

• 6 oz boneless skinless chicken breast
• 1 cup broccoli
• 1 carrot, small
• ½ zucchini, small
• 1 ¼ cups mixed greens, or baby spinach
• ¼ english cucumber, large
• 1 ½ tbsp pumpkin seeds
• 2 tsp extra-virgin olive oil, divided
• 1 garlic clove, small; minced (save a pinch for the dressing)
• ½ tsp fresh ginger, grated
• ¼ tsp ground turmeric
• ¼ tsp ground cumin
• ¼ lemon
• salt, to taste
• black pepper, to taste

For the Lemon-Tahini Dressing

• 1 tbsp tahini
• ½ lemon, juiced
• ½ tsp extra-virgin olive oil
• black pepper, to taste
• cold water, to thin