Ahi Tuna Steak Recipe

This keto Ahi Tuna Steak recipe offers a quick and flavorful 10-minute meal with a sesame crust and zesty ponzu sauce.
Ingredients
- 9 ounces ahi tuna (sashimi-grade)
- 1 teaspoon togarashi spice
- 1/2 cup black and white sesame seeds
- 1 tablespoon avocado oil
- 1 tablespoon fermented soy sauce (Kikkoman)
- 2 tablespoons mirin (We used the keto version)
- 1 tablespoon dashi stock
- 1 teaspoon rice vinegar
- 1 tablespoon lemon juice
Instructions
- 1
Lightly season the ahi tuna filets with togarashi spice on all sides.
- 2
Gently press each filet into the sesame seeds to form an even crust.
- 3
Heat avocado oil in a cast-iron skillet over medium-high heat.
- 4
Once the oil is hot, sear the tuna for 30-40 seconds per side and set aside to rest.
- 5
Meanwhile, prepare the ponzu sauce by combining fermented soy sauce, mirin, dashi stock, rice vinegar, and fresh lemon juice in a bowl.
- 6
Slice the tuna into bite-sized pieces and serve with the ponzu dipping sauce on the side.
Cook it from the original
This recipe comes from castironketo.net. Their page has the author’s own photos, notes and tips — the best place to cook it from.
Open the recipe on castironketo.net