Roasted Sweet Potato and Onion Salad

Ingredients

• 4 small sweet potatoes, peeled and cut into 1-inch cubes
• 1 large onion, cut into eight wedges
• 2 tablespoons olive oil
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 1/4 teaspoon garlic powder
• BALSAMIC VINAIGRETTE:
• 1/3 cup olive oil
• 2 tablespoons balsamic vinegar
• 1 teaspoon maple syrup
• 1 garlic clove, minced
• 1/2 teaspoon grated lemon zest
• 1/2 teaspoon minced chives
• 1/2 teaspoon minced fresh marjoram
• 1/4 teaspoon salt