Onion powder is dehydrated, ground onion used as a seasoning. It is a common ingredient in seasoned salt and spice mixes, such as beau monde seasoning. Some varieties are prepared using toasted onion. White, yellow, and red onions may be used. Onion powder is a commercially prepared food product that has several culinary uses. Onion powder can also be homemade.
Onion salt is a spice preparation using dried onion and salt as primary ingredients.
Blue cheese dressing is a popular side sauce, salad dressing and dip in the United States and Canada. It is usually made of some combination of blue cheese, mayonnaise, and buttermilk, sour cream or yogurt, milk, vinegar, onion powder, and garlic powder. There is a blue cheese vinaigrette that consists of salad oil, blue cheese, vinegar, and sometimes seasonings.
Most major salad dressing producers and restaurants in the United States and Canada produce a variant of blue cheese dressing. It is commonly served as a dip with Buffalo wings or crudités (raw vegetables).
Barbecue sauce (also abbreviated as BBQ sauce) is a sauce used as a marinade, basting, condiment, or topping for meat cooked in the barbecue cooking style, including pork, beef, and chicken. It is a ubiquitous condiment in the Southern United States and is used on many other foods as well.
Ingredients vary depending on area, but most include vinegar or tomato paste (or a combination) as a base, as well as a combination of onion powder, spices such as mustard and black pepper, and sweeteners such as sugar or molasses.