3 crock pot 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)

red spaghetti sauce, diced tomatoes, onion, for 1 cup chopped, bottled minced garlic, frozen meatballs, approx 3/4 lb, spaghetti, parmesan cheese (optional), olive oil (optional)