Ingredients for - Leftover Roast Beef in Tomato Sauce

1. Oil 1 tablespoon
2. Onion, chopped 1 medium
3. Leftover cooked roast beef 1 pound
4. Chopped tomatoes with juice 1 (28 ounce) can
5. Condensed tomato soup 1 (10.75 ounce) can
6. Dried oregano 1 teaspoon
7. 1 bay leaf 1 teaspoon
8. Ground black pepper to taste 1 teaspoon
9. Shepherd's pie seasoning ⅓ (1.5 ounce) package

How to cook deliciously - Leftover Roast Beef in Tomato Sauce

1 . Stage

Heat oil in a skillet over medium heat; stir in onion. Cook and stir until the onion has softened and turned translucent, about 5 minutes.

2 . Stage

While the onion is cooking, chop beef into chunks. Place in the bottom of a slow cooker with cooked onions, canned tomatoes with juice, condensed soup, oregano, bay leaf, and pepper.

3 . Stage

Cook on Low for 4 to 6 hours, stirring every hour to break up the beef.