roast beef, sliced
bread rolls, halved
horseradish, fresh or jarred
salt & vinegar chips
1 tbsp. butter
1 tbsp. flour
½ cup pan juices
1 tsp. balsamic vinegar
1 tsp. Worcestershire sauce
For the gravy, melt butter in a saucepan over a low to medium heat.
Add flour and mix until a roux forms.
Pour in pan juices, balsamic vinegar and Worcestershire sauce.
Whisk for 2 – 3 minutes or until sauce has the desired consistency.
To assemble the roll, poor a spoonful of gravy on each half of the roll.
Layer with remaining ingredients. Replace top of roll.