Per serving
In 'The Best Casserole Cookbook Ever' by Beatrice Ojakangas
Preheat oven to 325°.
Pour the beans into a 2-quart casserole; add the hot dog rounds.
Add the onion, and stir in the mustard, ketchup, and brown sugar.
Bake for 20-25 minutes, until bubbly and hot.
Spoon over the cooked brown rice.
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