Gluten Free Cookies and Cream Rice Krispie Treats

Name: Gluten Free Cookies and Cream Rice Krispie Treats
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Ingredients: 4 Tablespoons salted butter; 6 cups mini marshmallows (divided); 1 teaspoon pure vanilla extract; 6 cups gluten free crispy rice cereal (see notes); 14 crush Gluten Free Chocolate Sandwich Cookies (see notes); 1 cup white chocolate chips; 1 teaspoon vegetable oil (optional); 6 crushed Gluten Free Chocolate Sandwich Cookies