Grilled Ahi Tuna Kebabs: Vegetables & Two Marinade Options
Grilled Ahi Tuna Kebabs with Vegetables
Yellowfin tuna cubes pair with bell pepper, onion and zucchini for a grilled meal. Choose a savory soy-sesame marinade or add honey for a sweeter version. Grill fish and vegetables on separate skewers so each can finish at its own pace.
Serves: 4 light meals with sides, using 1 lb fish. Allow about 40 minutes with thawed, prepared fish, depending on grill setup. Prepare wooden skewers ahead according to their instructions, or use suitable metal skewers.
Ingredients
Tuna and Marinade
- 1 lb yellowfin tuna, cut into roughly 1-inch cubes
- 2 tablespoons soy sauce
- 1 tablespoon sesame oil
- 1 tablespoon fresh lime juice
- 1 tablespoon rice vinegar
- 1 garlic clove, finely minced
- 1 teaspoon grated ginger
- Black or white pepper to taste
Honey variation: replace the rice vinegar with 1 tablespoon honey. Add a pinch of red pepper flakes if desired. Sugary coatings brown quickly, so watch the heat carefully.
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Vegetables and Serving
- 2 bell peppers, cut into chunks
- 1 medium red onion, cut into chunks
- 1 medium zucchini, sliced into ½-inch rounds
- 1 cup cherry tomatoes
- 1 tablespoon neutral cooking oil for vegetables and light coating as needed
- Sesame seeds, cilantro and lime wedges for serving
- Cooked rice, quinoa or salad for four, prepared separately
Marinate and Thread
- Whisk the marinade ingredients in a clean bowl. If you want sauce for finishing, reserve a clean portion before adding fish, or make extra sauce separately.
- Toss tuna with the marinade and refrigerate for about 15 minutes while preparing vegetables. This is a flavor and texture step, not a safety treatment or a universal maximum time for every marinade.
- Lightly coat vegetables with cooking oil. Thread them onto separate skewers from the tuna, grouping similar vegetables together where practical.
- Lift tuna from the marinade, let excess drip away and thread onto skewers without packing tightly. Discard the marinade that touched raw fish; do not use it as an uncooked finishing sauce or to brush cooked skewers.
Grill the Kebabs
- Preheat and clean the grill. Set up a medium-high area for browning and a cooler area for finishing. Follow the grill and skewer manufacturers' instructions.
- Start vegetables first where they need longer cooking. Turn as needed and move individual skewers to the cooler area when browned.
- Add tuna skewers and turn carefully as the surfaces brown. Move to gentler heat if the marinade scorches before the centers cook.
- Check the center of a larger tuna cube with a suitable food thermometer, avoiding the skewer. Cook fish to 145°F internally; a fixed number of minutes per side cannot establish doneness.
- Transfer to a clean platter with clean utensils. Serve with the vegetables, prepared sides and any separately reserved sauce.
FoodSafety.gov recommends 145°F for fish, including tuna. A short sear can leave the center undercooked; a “sushi-grade” label does not make it equivalent to this cooked preparation.
Variations and Practical Tips
Mushrooms, yellow squash or pineapple can replace part of the vegetables. Keep them on separate skewers where their cooking needs differ. Threading everything together is attractive, but does not ensure fish and vegetables finish together.
Serve with cucumber salad or mango salsa. Offer wasabi or Sriracha mayonnaise separately if desired, checking labels for allergens. Soy-based sauces can contain wheat, and the marinade includes sesame.
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Refrigerate leftovers promptly. If reheating, heat to 165°F internally. Adjust cooking for the actual size and thickness of another fish rather than assigning a fixed extra minute by species.
Choose Tuna for Your Grill
Frozen Yellowfin Steaks and Yellowfin Saku Blocks offer 5 lb and 10 lb total orders; this recipe uses 1 lb. Check dimensions before planning uniform cubes. Fresh Yellowfin Steaks are another format; account for any selected seasoning when adding marinade.
Follow package thawing and wrapping directions and read the tuna storage guide. For other meals, try ahi steak cooking methods or ahi tacos. Browse the Tuna Collection.
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