Slow Cooker Beef Ragu

Bahan-bahan (8 porsi)

• 1 tablespoon olive oil (divided)
• 4 pounds beef brisket (or round roast, or any slow cooking beef of your choice, trimmed of fat)
• 1 onion (finely chopped)
• 4 cloves garlic (finely copped or minced)
• 28 ounce tomatoes (crushed or diced, 2 cans)
• 1/2 cup red wine (or beef broth / stock)
• 1/2 cup beef broth (stock)
• 4 tablespoons tomato paste
• 1 beef bouillon cube
• 1 teaspoon basil
• 1 teaspoon oregano
• 1 -2 teaspoons salt (adjust to your tastes)
• 1 pinch cracked pepper (to taste)
• 1 -2 teaspoons sugar (adjust to your tastes)
• 2 bay leaves
• 2 teaspoons cornstarch (mixed with 2 tablespoons water - optional for a thick sauce)