'Cajun Roast Beef Sandwich with Horseradish Sauce'
Adapted from: Cajunlicious
3 Tablespoons prepared horseradish
1/4 cup sour cream
1 teaspoon mustard
1 teaspoon creole seasoning
1 Tablespoon mayonnaise
A splash of white wine vinegar
Salt to taste
Deli Cajun Roast Beef, sliced
1. Prepare the sauce by placing the first 7 ingredients into a medium bowl and whisk until the mixture is smooth and creamy. Place in the fridge for at least 4 hours or overnight.
2. Lightly toast the buns. Layer the bottom buns with roast beef and onions. Top with horseradish sauce.