Easy Gourmet Caramel and Chocolate Rice Krispie Treats

INGREDIENTS

10 tbsp

unsalted butter

24 oz

miniature marshmallows, divided

1 tsp

vanilla extract

10 cups

rice krispies cereal

bags (11 oz each) Kraft caramel bits

1/4 cup

heavy cream

3/4 cup

Ghirardelli dark chocolate wafers, melted

1 cup

M&M mini milk chocolate baking bits