3 prime rib bones mustard horseradish Recipes

creme fraiche, heavy whipping cream, prepared white horseradish, dijon mustard, divided, onions, cut into 3/4-inch wedges with some core attached, very large shallots (about 1 lb), quartered through root end, balsamic vinegar, olive oil, coarse kosher salt plus additional (for sprinkling ), garlic cloves, minced, bone-in standing prime rib roast, trimmed, yellow mustard seeds, brandy, low-salt beef broth, chopped fresh italian parsley

bone-in beef rib roast (6 to 8 lb), garlic cloves, sliced, pepper, heavy whipping cream, prepared horseradish, red wine vinegar, ground mustard, sugar, salt, pepper