4 sandwiches marinated watercress Recipes

olive oil, white balsamic vinegar, dry mustard, divided, dark brown sugar, well-trimmed tri-tip beef roast, tomatoes, very thinly sliced, watercress, stems trimmed, white onion, very thinly sliced, french baguette , cut horizontally almost in half, opened flat

olive oil, white balsamic vinegar, dry mustard, divided, dark brown sugar, well-trimmed tri-tip beef roast, tomatoes, very thinly sliced, watercress, stems trimmed, white onion, very thinly sliced, french baguette , cut horizontally almost in half, opened flat

extra virgin olive oil, balsamic vinegar, red wine vinegar, chopped fresh tarragon, salt, divided, fresh ground black pepper, divided, garlic clove, minced, beefsteak tomatoes, sliced 1/4 inch thick (or 6 medium tomatoes), red onion, thinly sliced, loaves french bread , individual size (these are sandwich size loaves), leaves boston lettuce (or 1 cup arugula or watercress), avocados, sliced