Spinach Beef Stew

Ingredients

• 1 medium onion, chopped
• 1 tablespoon olive oil
• 2 garlic cloves, minced
• 1/3 cup cider vinegar
• 2 tablespoons dry red wine or beef broth
• 1 can (29 ounces) tomato sauce
• 1 cup water
• 1/3 cup chopped roasted sweet red peppers
• 3 bay leaves
• 3 tablespoons brown sugar
• 3 teaspoons beef bouillon granules
• 1 teaspoon dried oregano
• 1/2 teaspoon dried basil
• 1/4 teaspoon dried thyme
• 1/4 teaspoon pepper
• 1/3 cup uncooked long grain rice
• 1/2 pound cubed cooked roast beef
• 2 cups chopped fresh spinach
• Sour cream and grated Parmesan cheese, optional