Roast Beef With Rosemary Mayonnaise

1/3 cup mayonnaise 2 tablespoons prepared horseradish 1 teaspoon fresh rosemary , chopped or 1/2 teaspoon dried rosemary 1 French baguette , halved[...]

4 teaspoons rosemary , finely chopped 4 teaspoons distilled white vinegar 2 cups mayonnaise 1 garlic clove , pressed romaine lettuce leaf 2 lbs roast beef ,[...]

3 red onions , cut into 8 wedges 7 tablespoons extra virgin olive oil 1/4 cup balsamic vinegar 1 cup mayonnaise 1/4 cup chopped fresh basil 1 1/2 tablespoons[...]