Chickpea & Brussels Vegan Caesar Salad

Name: Chickpea & Brussels Vegan Caesar Salad
Ingredients: 1 15-ounce can chickpeas, drained and rinsed; 1 ½ teaspoons smoked paprika; 1 teaspoon garlic powder; 1 teaspoon onion powder; Salt & black pepper to taste; 1 tablespoon olive oil for chickpeas, plus 1 tablespoon for Brussels sprouts (optional); ¾ pounds Brussels sprouts, end trimmed; ¼ cup tahini; 1 teaspoon finely chopped capers; 2 teaspoons caper brine from the jar; 1 ½ teaspoons Dijon mustard; 2 tablespoons fresh lemon juice, plus more to taste; ¼ teaspoon lemon zest; 1 clove garlic; Salt & black pepper to taste; ¼ cup sunflower seeds; ½ cup dried cranberries