2 cups Kona coffee, strong brew
1 cup brown sugar
2 tablespoons honey mustard
2 tablespoons mustard
1 tablespoon Worcestershire sauce
1/2 cup lemon juice
1/4 teaspoon hot pepper sauce
2 teaspoons minced garlic
1 teaspoon cornstarch
1/4 cup water
2 pounds beef loin strips, cut in 1-inch cubes
2 red bell peppers, cut into 1-inch squares
1 red onion, cut into 1-inch squares
20 cherry tomatoes