1/2 cup mayonnaise or salad dressing
1/4 cup country style Dijon mustard
1 tsp prepared horseradish
6 slices sourdough bread
1 (12-oz) can SPAM, cut into 12 slices
1 (9-oz) pkg. frozen chopped spinach, thawed and drained
6 thin slices red onion, separated into rings
2 cups shredded mozzarella cheese
In small bowl, combine mayonnaise, mustard and horseradish; mix well. Spread 1 to [...]