1. Preheat oven to 425 degrees F. In an oven-proof skillet heat oil and brown pork on all sides. Place skillet in oven. Roast 25 minutes or until internal temperatures reaches 155 degrees F.
2. Place bread on a baking sheet. Bake 5 minutes or until toasted. Spread with 1 heaping teaspoon of cheese. Cut pork into 24 slices and place on top of bread. Top with cheese and tomato halves.
Excerpted from the book, Sandra Lee Semi-Homemade Cocktail Time, by Sandra Lee Copyright 2009 SLSH Enterprises, Inc.