No-bake Dark Chocolate & Walnut Granola Bars

Name: No-bake Dark Chocolate & Walnut Granola Bars
Prep time: 15 min
Cook time: 2 h
Total time: 2 h 15 min
Cuisine: American
Ingredients: 2 cups quick-cooking oats; 1 cup walnuts, finely chopped; 1 cup crispy rice cereal; ½ cup pure maple syrup; ¼ cup chia seeds; ¼ cup coconut oil; ¼ cup tahini (sesame paste); 1 tsp vanilla extract; ¼ tsp salt; ½ cup dark chocolate chips; ¼ cup dark chocolate chips; 1 tsp coconut oil