The main ingredient of Spanish stew will depend on the recipe. There is more than one kind.
Depending on the recipe, the main ingredient is either chicken, beef, chorizo, beans (vegetarian) and potato (vegetarian). it also has a mix of vegetables, again, based on the exact recipe.
Sukiyaki is a Japanese dish that features beef as the main ingredient. It has a soup or stew like texture and is typically simmered or slow cooked throughout the day.
Hasenpfeffer is a German stew. The main ingredient is rabbit meat. The stew usually has onions, wine, and several spices, but without the rabbit meat, it simply would not be Hasenpfeffer.
white rice
Carrots are often added to stew, but seldom considered to be the main ingredient. Stew is an extremely flexible type of dish. Onions and potatoes would doubtlessly add to a carrot stew; you could add beef but then it would be a beef stew, not a carrot stew. Salt and pepper would make it tastier. Parsnips and turnips would also work. And any other ingredient that appeals to you.
Posole is one of the many Mexican soups where the main ingredient is corn.
The main ingredient in Spanish gazpacho is the tomato. Although it is often called a vegetable, it is a fruit. It is, however, paired with many vegetables in this dish.
Potatoes.
Lamb is typically the key ingredient in Suffolk stew.
To make a stew:Get an empty bowl.Fill it with water.Use the resulting bowl of water with either a potato or cooked meat or cooked chicken to get an Incomplete Stew.Use the Incomplete Stew with the other ingredient to get an Uncooked Stew.Cook the stew on a range or fire.The order in which you add the potato or meat doesn't matter. Adding a first ingredient creates an Incomplete Stew and adding the second ingredient creates an Uncooked Stew.
In general, kangaroo stew has kangaroo meat in it. Just like beef stew has beef in it, lamb stew has lamb in it and pork stew has pork in it. The recipes for stew vary widely, but a stated "type" of stew will have that ingredient featured in the presentation.
Skin of Dwarven Stout
Beef Irish Stew is made with Lamb