Ingredients for - Slow Cooker Oxtail Soup

1. Butter, or as needed 2 tablespoons
2. Beef oxtail, cut into pieces 1 pound
3. Onion, chopped 1
4. Red wine, or to taste ½ (750 milliliter) bottle
5. Water to cover ½ (750 milliliter) bottle
6. Potatoes, peeled and cubed 1 pound
7. Carrots, chopped 2
8. Celery, chopped 2 ribs
9. Green beans 1 cup
10. Stewed tomatoes 1 (14.5 ounce) can
11. Salt and ground black pepper to taste 1 (14.5 ounce) can

How to cook deliciously - Slow Cooker Oxtail Soup

1 . Stage

Heat butter in a large skillet over medium heat. Add oxtail and onion; cook until oxtail is browned, 5 to 7 minutes per side. Transfer oxtail and onion to a slow cooker.

2 . Stage

Pour wine into the skillet and bring to a boil while scraping the browned bits of food off the bottom of the skillet with a wooden spoon. Pour wine mixture into the slow cooker; add water to cover.

3 . Stage

Cover and cook on Low for 8 hours. Add potatoes, carrots, celery, and green beans; cook soup for 4 hours more.

4 . Stage

Cool soup slightly; refrigerate until fat has risen to the top and solidified, about 1 hour. Scoop off fat; stir in tomatoes. Reheat soup before serving.