How can I bake this "filled pretzel"?

How can I bake this "filled pretzel"? - I Hate Nothing About You With Red Heart Light

(This is a follow-up of this question.)

I'm trying to bake a "frozen, stuffed pretzel". (Why? See previous question.) My first attempt (350°F for 35 minutes), however, was less than satisfactory; the filling seemed okay, but the pretzel shell did not cook through. I suspect that the frozen filling is the culprit?

Given how the previous attempt turned out, what would be a better way to try cooking these? Specifically, in what way(s) could I modify my approach so that the shell cooks evenly and all the way through?






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