Slow Cooker Beef Short Ribs with Buttery Egg Noodles - Challenge Dairy

Ingredients

• 1 small onion, peeled and quartered
• 2 celery stalks, chopped
• 2 garlic cloves, peeled
• 2 Tablespoon olive oil
• 3 pounds (about 12) bone-in beef short ribs
• kosher salt
• black pepper
• 2 Tablespoons tomato paste
• 1 cup white wine
• 1 ½ cups unsalted beef stock
• 1 Tablespoon Worcestershire sauce
• 2-3 sprigs rosemary
• 2-3 sprigs fresh thyme, plus more for garnish
• 2 bay leaves
• 1 stick plus 2 Tablespoons Challenge Unsalted Butter, cubed, divided
• 2 Tablespoons all-purpose flour
• egg noodles