Sticky Sesame Cauliflower - Chocolate Covered Katie

Name: Sticky Sesame Cauliflower - Chocolate Covered Katie
Cuisine: Asian, Korean
Ingredients: 1 small head cauliflower, chopped (6 1/2 cups florets); 1/3 cup low-sodium soy sauce; 1/4 cup pure maple syrup, honey, or agave; 1/4 cup rice vinegar; 1 tbsp minced garlic; 1 ½ tsp toasted sesame oil; ½ tsp powdered ginger; 1 1/2 tbsp cornstarch or arrowroot; 1/4 cup water; sesame seeds and scallions, for garnish