Milwaukee Dogs Recipe | Say Mmm

Ingredients

• 1 tablespoon vegetable oil
• 1 medium onion, sliced
• 1 package (16 oz) beer bratwurst (6 count)
• 6 slices Swiss cheese
• 6 rye or whole wheat hot dog buns, split, toasted
• 1/2 cup sauerkraut
• 2 tablespoons coarse-grained mustard