Spray a 6 quart crockpot with non-stick cooking spray.
Season steak bites all over with 1/2 of the salt, pepper, garlic powder, onion powder, smoked paprika, and steak seasoning.
Place seasoned steak bites in crockpot on one side. Place chopped onions on other side of crockpot. Place whole baby yukon potatoes on top of onions.
Sprinkle rest of salt, black pepper, garlic powder, onion powder, smoked paprika, and steak seasoning over the potatoes & onions.
Sprinkle the minced garlic all over the steak, potatoes & onions. Top with sliced butter to cover the steak, potatoes & onions.
Place lid on crockpot and cook for 4-6 hours on high until steak is very tender and potatoes are creamy and done.NOTE: the time of 4-6 hours will all depend on size of steak bites, type of steak and potatoes used. Just keep an eye on it and check for tenderness.