Barbecued Beef in Crusty Rolls

This is a Zaar recipe that I adopted. I'm modifying the recipe based on ncmysteryshopper's review (thanks bunches for the suggestions!).

• Ready In: 15 mins
• Serves: 4

Ingredients

• 1⁄3 cup catsup
• 2  tablespoons vinegar
• 1⁄2 teaspoon lemon juice
• 1⁄8 teaspoon chili powder
• 1⁄4 teaspoon lemon pepper
• 1⁄3  jalapeno, chopped finely
• 1⁄8 cup tomato sauce
• 2  tablespoons onions, Finely chopped
• 1  garlic clove, Finely chopped
• 1 1⁄2 teaspoons Worcestershire sauce
• 1  teaspoon brown sugar, Packed
• 1⁄8 teaspoon dry mustard
• 1  dash pepper
• 2  cups beef, Cut up, cooked
• 4  French rolls, split
• 4  slices American cheese

Directions

1. Mix all ingredients except beef, rolls and cheese in 1-Qt casserole.
2. Cover and microwave on high (100%) util hot and bubbly, 2 to 3 minutes; stir.
3. Mix beef into sauce.
4. Cover and microwave until beef is hot, 3 to 5 minutes Fill rolls with beef mixture and cheese slices and serve.