Kevin's Post Workout Recovery Sandwich
In a small bowl, combine yogurt and horseradish. Season to taste with salt and black pepper.
Lay out 8 slices of bread and divide the yogurt mixture between them. Top 4 slices with tomatoes and baby arugula. Divide roast beef between the same 4 slices of bread. Top with remaining slice of bread. Best served immediately following a workout as a recovery meal.