I worked at a DQ for 4 years and the ingredients in the blizzard are: pecans, caramel fudge topping, and the chocolate dip they use on the cones. I have seen in the grocery stores a
chocolate "shell" so you may want to try that. Hope this helps
A Note from Betsy at Recipelink:Hard Chocolate Sauce - Dairy Queen StyleMSG ID: 0037851
Chocolate Crackle Topping and Ice Cream Topping with Nuts (like Magic Shell)MSG ID: 3111155
Chocolate Caramel Topping (using sweetened condensed milk)MSG ID: 3128686