Mix milk and oats in bowl, then add remaining ingredients (except for ketchup, brown sugar, mustard and hot sauce). Mix together.

Form into four large patties and cook in frying pan over medium heat. Meanwhile, mix ketchup, sugar, mustard and hot sauce together in a small bowl.

When patties are browned on one side and cooked at least halfway through, flip them and put a large dollop of sauce on each one.

Continue cooking till patties are brown all the way through.