Step 1

Preheat oven to 350° F. Spray a casserole dish with nonstick.

Step 2

On a cutting board, slice onions thinly; set aside. Slice hot dogs into bite-sized pieces.

Step 3

Over medium heat, add butter to a large skillet and sauté onions and hot dogs for 3 minutes. Add in the beans, mustard, spices, and sugar; simmer for 2 minutes.

Step 4

Transfer beans and hot dogs to a casserole dish and bake for 40 minutes stirring occasionally.