3 pot beer simmered Recipes

uncooked sausages or 2 1/2 lbs smoked sausage or 2 1/2 lbs bratwursts or 2 1/2 lbs frankfurters or 2 1/2 lbs bockwurst or 2 1/2 lbs polish sausage or 2 1/2 lbs mettwurst or 2 1/2 lbs other suitable sausage, bottled beer (german beer is good), onion, coarsely chopped, german mustard or 2 tbsp yellow mustard, prepared horseradish, peppercorns (or a couple of grinds of black pepper), whole dried hot red chili pepper (optional)

sharp white cheddar, shredded (about 2 1/2 cups), gruyere, shredded (about 2 cups), smoked gruyere or swiss, shredded, scant tbsp cornstarch, strained cooking liquid from beer-simmered bratwursts , recipe follows, spicy brown mustard, plus more for serving, a few drops hot sauce, kosher salt and freshly ground black pepper, slab bacon, rind removed, sliced about 1-inch thick, cremini mushrooms, caps only, canola oil, six to eight 2-inch-thick slices high-quality german rye bread, beer-simmered bratwurst , recipe follows, sweet and hot german mustards , for serving, special equipment : fondue pot and skewers, german light ale, caraway seeds, coriander seeds, mustard seeds, onions, unpeeled, roughly chopped, whole cloves garlic , smashed, fresh ginger, peeled and chopped, precooked bratwurst , pricked with a fork, canola oil