Dean's » Roast Beef Sandwich with Horseradish French Onion Spread

Ingredients

• ¾ cup Dean’s French Onion Dip (or Dean’s Lite French Onion Dip)
• 2 tbsp horseradish
• 4 sandwich rolls
• 4 lettuce leaves
• 4 slices cheese
• 1 lb thinly sliced roast beef
• 1 large tomato, sliced
• 4 slices red onion separated into rings, optional
• 1 avocado, sliced