4 1/2 Cups Bisquick 1 Cup boiling water For the beef filling 1 Pound ground beef 1 yellow onion, chopped 1/4 inch 2 Teaspoons restaurant-grind black pepper, divided 1/2 medium head green cabbage, chopped 1/4 inch 1 Pound bagged sauerkraut 1 Teaspoon salt