Recipe information
Yield
4 Servings
Ingredients
2
cups thinly sliced red onions
2
tablespoons red wine vinegar
1
teaspoon sugar
4
large soft whole grain rolls, toasted
1
/2 cup crumbled blue cheese
12
tomato slices
8
ounces thinly sliced roast beef
2
cups (packed) small watercress sprigs
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Preparation
Step 1
Combine onions, vinegar, and sugar in medium bowl; sprinkle with salt and pepper. Let stand until onions are soft, tossing occasionally, at least 1 hour and up to 4 hours.
Step 2
Place bottom halves of rolls on work surface. Sprinkle with cheese. Top each with 3 tomato slices, then 1/4 of roast beef. Top each with 1/2 cup watercress, then 1/4 of pickled onions. Cover with tops of rolls. Cut each sandwich in half.