Mains
Seared Steak with Green Apple Horseradish
Mains · serves 4 · 30-60 min
Core AIP · Elimination phase compliant

There are nights that call for a real dinner, one that feels like an occasion instead of a routine. This is that meal, and it comes together in under an hour. A good steak, seared and rested, topped with a bright relish that wakes up the whole plate.
Red meat is one of the strongest sources of zinc and iron on this way of eating, both involved in immune regulation and in carrying oxygen and energy through the body, which matters when fatigue is part of what you are managing. The relish does something clever: grated green apple and fresh horseradish give you the sharp, sinus-clearing lift a nightshade-based sauce usually provides, built entirely from real, whole ingredients. Horseradish is a Core root in the same family as mustard greens, and it brings real bite without any seed-spice.
Source the beef from an animal raised well, and treat the cut with respect: sear it properly, rest it fully, slice it against the grain. Spoon the relish over the warm slices, set the plate down with a little care, and take a breath before the first bite. The few minutes of attention are part of how the meal serves you.
Ingredients
Relish:
- 1 green apple, peeled and grated
- 2 tablespoons prepared horseradish
- 1 1/2 tablespoons apple cider vinegar
- 1 tablespoon lemon juice
- 0.5 tablespoon honey
Steaks:
- two 12-oz sirloin steaks
- 3 tablespoons coconut oil
- 1 teaspoon dried thyme
- 1/8 teaspoon sea salt
- black pepper omitted (excluded on Core)
Method
Make the relish first. Stir the grated apple, horseradish, apple cider vinegar, lemon juice, and honey together, then chill it for at least 30 minutes so the flavors come together and the apple softens slightly.
Pat the steaks dry and rub them with the thyme and salt. Heat the coconut oil in an oven-safe skillet until it shimmers, then sear the steaks about 2 minutes per side to build a brown crust. Transfer the whole skillet to a 450 F oven for about 4 minutes to finish, which gives you a medium steak; adjust the oven time to your thickness and preference. Let the steaks rest a few minutes, slice against the grain, and spoon the cold relish over the warm meat.
Air fryer variation
After searing the steaks on the stovetop to get the crust, you can finish them in the air fryer instead of the oven. Set the seared steaks in the basket and cook at 400 F for about 4 to 6 minutes, turning once, until they reach the doneness you want. Rest before slicing, and serve with the chilled relish. Air fryer time is an estimate and untested here.
*Adapted from acleanplate.com*

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Further reading
Daniela Hess, MSEd, is a co-founder of Great Energy and an Autoimmune Educator and Functional Wellness Consultant who lives and thrives with Hashimoto’s. She is not a licensed medical provider.
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Words in this recipe you can look up. Tap or click a term to learn what it means.
HorseradishNightshadeSearZincEvery ingredient in this recipe is on the Core Autoimmune Protocol food list.
Download the Core Food List (PDF) Explore the food list