Grilled Octopus with Lemon Oil

The tentacles should pick up dark grill marks in just a few minutes, not sit over the fire until they turn tough. That’s why I cook the octopus in a…

By Brad
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November 10, 2026
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Reading time: 8 min

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The tentacles should pick up dark grill marks in just a few minutes, not sit over the fire until they turn tough. That’s why I cook the octopus in a gentle simmer first, then use the grill for a quick, hot finish. Grilled octopus with lemon oil comes out tender inside, browned at the edges, and bright with fresh lemon.

The most useful cue isn’t the timer: it’s how easily a knife slides into the thickest part. Octopus can take a little longer than an hour to reach that point, so I check the texture instead of treating the clock as a finish line. Once it’s tender, the rest is simple: a short pause in the cooking liquid, a quick brush with lemon oil, and a few minutes on a clean grill.

The Grill Marks Are a Finish, Not the Tenderizing Step

Octopus needs two kinds of heat here, and they do different jobs. The covered, gentle simmer gives the thick parts time to become tender throughout. The grill comes later, after that texture is already where it needs to be; its job is to heat the octopus and brown the outside quickly.

Trying to make the grill do both jobs is where the texture can go wrong. A long stretch over high heat may darken the surface before the inside has softened, and leaving tender octopus on the grill while waiting for it to become tender can dry it out. I treat the simmer as the doneness stage and the grill as the finishing stage. That distinction also makes the short grilling time easier to trust: the octopus isn’t raw when it hits the grates.

The lemon oil plays two roles without needing a separate sauce. Half coats the octopus before grilling, while the rest goes on after it’s transferred to the platter. Keeping some oil back gives the finished dish a fresh lemon aroma that isn’t all cooked away over the heat.

Why the Whole Lemon Matters More Than Fancy Olive Oil

• Cleaned octopus — Buy it cleaned, and thaw it before poaching if it’s frozen. The thickest section is the best place to judge tenderness, so don’t rely on the tentacle tips alone. There isn’t a close substitute for octopus in this dish; another seafood will cook and eat differently.
• Fresh lemon — The zest brings fragrant citrus oils, while the juice gives the oil its sharp, fresh edge. Bottled juice can supply acidity but can’t replace the zest, so it won’t give the same result. Choose a lemon with an unblemished peel that’s easy to zest.
• Extra-virgin olive oil — It carries the lemon and adds its own flavor, but an everyday bottle is fine; you don’t need a costly finishing oil because it’s whisked with lemon and brushed onto the octopus. Regular olive oil works in the same amount if that’s what you have, though the finished oil will taste less grassy and fruity.
• Bay leaf and whole peppercorns — These gently scent the poaching liquid, which is discarded after cooking. Whole peppercorns are useful here because they’re easy to remove with the liquid; ground pepper would leave bits clinging to the octopus.
• Kosher salt — It seasons the lemon oil, so the seasoning lands across the octopus rather than only in the poaching water. Whisk it in until it’s distributed through the oil and lemon juice.

From Gentle Simmer to Quick, Browned Grill Finish

Poach Until the Thickest Part Is Tender

Put the octopus, water, bay leaf, and whole peppercorns in an 8-quart stockpot, adding enough water to cover. Bring it to a boil over high heat, then cover the pot and reduce the heat to a gentle simmer. Cook for 45 to 60 minutes, turning the octopus halfway through. Test the thickest part with a knife; it should slide in easily, not meet a firm, rubbery center.

Let It Rest, Then Prepare the Pieces

Turn off the heat and leave the octopus in the cooking liquid for 15 minutes. Transfer it to a cutting board, discard the liquid and aromatics, and pat the octopus dry. Separate the tentacles, then split the mantle open. Keep the pieces arranged so they’re ready to brush and move to the grill without delay.

Whisk the Lemon Oil

In a small bowl, whisk together the extra-virgin olive oil, lemon zest, all of the lemon juice, and kosher salt. The mixture may look separated as it sits; give it another whisk before brushing or drizzling. Set aside half for the finish so it doesn’t touch the raw octopus or the grill.

Grill for Color and Serve

Heat a gas or charcoal grill to medium-high, about 450°F, and clean the grates. Brush the octopus with half the lemon oil, then grill it for 2 to 3 minutes per side. Look for hot pieces with well-browned grill marks; don’t leave them on longer in pursuit of tenderness. Transfer the octopus to a platter and drizzle with the remaining lemon oil.

Make-Ahead and Platter Options That Keep the Octopus Tender

Questions That Come Up Before the Octopus Hits the Grill

Grilled Octopus with Lemon Oil

Grilled octopus with lemon oil is poached until tender, then grilled over medium-high heat for browned marks and a lightly charred finish. A quick lemon, olive oil, and salt dressing adds brightness just before serving.

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Prep Time 10 minutes mins

Cook Time 1 hour hr 6 minutes mins

resting 15 minutes mins

Total Time 1 hour hr 31 minutes mins

Servings: 4 servings

Course: Dinner

Cuisine: Mediterranean

Calories: 350

Ingredients Equipment Method Notes

Ingredients

  

For the octopus

• 2.5 lb octopus cleaned, thawed if frozen
• 12 cups water plus more as needed to cover
• 1 bay leaf
• 1 tsp black peppercorns whole

For the lemon oil

• 0.25 cup extra-virgin olive oil
• 1 lemon zested and juiced
• 0.5 tsp kosher salt

Equipment

• 1 8-quart stockpot
• 1 gas or charcoal grill

Method

 

Poach the octopus

1. Put the octopus, water, bay leaf, and peppercorns in an 8-quart stockpot, adding enough water to cover the octopus.
2. Bring to a boil over high heat.
3. Cover and reduce to a gentle simmer for 45-60 minutes, turning the octopus halfway through, until a knife slides easily into the thickest part.
4. If it is not tender after 60 minutes, continue cooking.
5. Check tenderness every 10 minutes.
6. Turn off the heat and let the octopus sit in the cooking liquid for 15 minutes.
7. Transfer it to a cutting board and discard the liquid and aromatics.
8. Pat the octopus dry.
9. Separate the tentacles and split the mantle open.

Make the lemon oil

1. Whisk the olive oil, lemon zest, all the lemon juice, and kosher salt in a small bowl.

Grill and serve

1. Heat a gas or charcoal grill to medium-high, about 450°F, and clean the grates.
2. Brush the octopus with half of the lemon oil.
3. Grill for 2-3 minutes per side, until hot with well-browned grill marks.
4. Transfer to a platter and drizzle with the remaining lemon oil.

Notes

For the most tender result, check the thickest part with a knife and continue cooking in 10-minute increments if needed. Refrigerate leftovers in an airtight container for up to 3 days; freezing is not recommended after grilling. For a lower-sodium option, reduce the kosher salt.