No-Bake Double Chocolate Peanut Butter Granola Bars (vegan, gluten-free)

Ingredients:

2/3 cup light corn syrup (brown rice syrup to keep vegan or honey may be substituted)
heaping 1/2 cup creamy peanut butter
1/4 cup light brown sugar, packed
1/4 cup unsweetened natural cocoa powder
1 1/2 teaspoons vanilla extract
1/2 teaspoon salt, optional and to taste
2 cups quick cook oats (Quaker, Bob's, or similar; don't use whole-rolled oats, pulse/grind briefly if that's what you have)
2 cups crispy rice cereal (Rice Krispies, Erewhon, or similar)
1 cup mini semi-sweet or dark chocolate chips, divided

Recipe: http://www.averiecooks.com/2014/05/no-bake-double-chocolate-peanut-butter-granola-bars.html