- 1 cup beef stock
- 1 (6 ounce) can tomato paste
- 1/4 cup shallot, minced
- 1 tablespoon Dijon mustard
- 3 cloves garlic, minced
- 2 tablespoons apple cider vinegar
- 1 tablespoon avocado oil
- 1 teaspoon ground cumin
- 1 teaspoon ground cayenne pepper
- 1 teaspoon ground black pepper
- 1 teaspoon prepared horseradish
- 1 teaspoon red pepper flakes
- 1/2 teaspoon salt
- Mix beef stock, tomato paste, shallot, Dijon mustard, garlic, apple cider vinegar, avocado oil, cumin, cayenne pepper, black pepper, horseradish, red pepper flakes, and salt in a saucepan over medium heat. Bring to a simmer, stirring until mixture is well combined. Reduce heat to medium-low, cover, and simmer until slightly thickened, 15 to 20 minutes, stirring frequently.