Saucy Roast Beef Sandwiches (Lowfat)

From "The Good Carb Cookbook". Posted for safe-keeping.

• Ready In: 10 mins
• Serves: 4
• Yields: 4 sandwiches

Ingredients

• 8  slices  firm  multi-grain bread
• 8  ounces  thinly sliced  lean roast beef
• 4  ounces  thinly sliced fat-free swiss cheese or 4  ounces reduced-fat swiss cheese
• 4  slices tomatoes
• 4  slices red onions (thin slices) or 4  slices sweet onions (thin slices)
• 4  lettuce leaves

• Sauce

• 1⁄4 cup fat-free mayonnaise or 1⁄4 cup light mayonnaise
• 1⁄4 cup nonfat sour cream or 1⁄4 cup light sour cream
• 2 -3  teaspoons  prepared horseradish

Directions

1. To make the sauce, combine the mayonnaise, sour cream and horseradish in a small bowl and stir to mix well. Set aside.
2. Lay the bread slices out on a flat surface and spread each one with some of the sauce. Place 2 oz of roast beef on each of 4 bread slices, then top the roast beef with some of the cheese, a slice of tomato, a slice of onion, and a lettuce leaf.
3. Place the remaining bread slices on the sandwiches, cut each sandwich in half and serve immediately.