Clean carrots and celery and slice to about 1/4″ thickness. Wash potatoes (no need to peel yellow/golden potatoes) and cut into 1″ cubes. Clean onion; cut in half and slice (about 1/4″ slices). Clean garlic and roughly chop.
Place olive oil in a large skillet and heat to medium high. Add beef and brown on all sides, seasoning with half of the oregano, salt and pepper. Add carrots, celery and garlic to pan. Saute for 5 to 6 minutes, stirring frequently.
Place meat and vegetable mixture in a 6 to 8 quart crockpot. Add potatoes, onion and peas.
Pour in red wine and beef broth or water.
Add horseradish, Worcestershire sauce, salt, pepper, oregano and parsley.
Stir well and cook on high for 4 to 5 hours or low for 7 to 8 hours.