PLACE potatoes, carrots, celery and tomato in 3 1/2-qt. slow cooker. Season roast with pepper and place on top.
MIX soup, water, pepper, garlic, basil, oregano, parsley and vinegar. Pour over all.
COVER and cook on LOW 10 to 12 hr. or until done.**
TIP: For thicker gravy, mix 1/4 cup all-purpose flour and 1/2 cup water. Remove roast from cooker. Stir flour mixture into cooker, cover and cook on HIGH about 10 min. or until mixture boils and thickens.
*To roast garlic, place whole garlic bulb on piece of aluminum foil. Drizzle with vegetable oil and wrap. Roast at 350°F. for 45 min. or until soft. Peel and chop garlic.
**Or on HIGH 5 to 6 hr.