25 Unexpected Things You Can Put Under The Grill For A Fast Flavour Upgrade

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By Lucy Hawthorne

Most people think grilling is just for burgers and sausages, but your grill can do so much more than that. A quick blast of high heat can transform everyday ingredients into something smoky, caramelised, and seriously delicious.

Whether you are cooking a full meal or just looking to jazz up a side dish, the grill is your secret weapon. Get ready to rethink everything you thought you knew about this kitchen staple.

1. Halloumi Cheese

Halloumi Cheese
© The Spruce Eats

Halloumi has a superpower most cheeses do not have: it holds its shape under intense heat instead of melting into a puddle. Toss it straight under the grill for about three minutes each side until it turns golden and slightly crispy on the outside.

The inside stays soft and squeaky while the outside gets a gorgeous caramelised crust. Serve it with a squeeze of lemon and a sprinkle of chilli flakes for a quick, satisfying snack that feels fancy without any effort.

2. Tinned Peaches

Tinned Peaches
© Post Punk Kitchen

You probably have a tin of peaches sitting in your cupboard right now, and that is your ticket to an impressive five-minute dessert. Drain the peaches well, place them cut-side up on a foil-lined tray, and slide them under a hot grill for about four minutes.

The sugars in the syrup caramelise beautifully, creating sticky, jammy edges that taste incredible. Pair them with vanilla ice cream or Greek yoghurt for a warm-meets-cold combo that always gets compliments.

3. Avocado

Avocado
© The Spruce Eats

Grilling avocado sounds unusual, but the results are genuinely outstanding. Cut an avocado in half, remove the stone, brush the flesh with olive oil, and place it face-down under the grill for three to four minutes.

The heat intensifies the buttery flavour and adds a subtle smokiness that raw avocado simply cannot offer. Use grilled avocado as a base for eggs, pile it onto toast, or scoop it out and mash it into the most flavourful guacamole you have ever tasted.

4. Watermelon

Watermelon
© Last Ingredient

Grilling watermelon might be the most surprising entry on this list, and also one of the most rewarding. The high heat draws out the fruit’s natural sugars and concentrates the flavour, making each bite sweeter and more complex than you would expect.

Place thick slices under a scorching hot grill for two minutes per side until char marks appear. Top with crumbled feta cheese and fresh mint for a sweet-salty-smoky combination that works brilliantly as a summer starter or a conversation-starting side dish.

5. Romaine Lettuce

Romaine Lettuce
© Its Thyme 2 Cook

Raw salad is fine, but grilled salad is something else entirely. Romaine lettuce holds together brilliantly under heat because of its firm, crunchy core, making it perfect for a quick grill session.

Slice a head of romaine in half lengthways, brush with olive oil, and grill cut-side down for two to three minutes until the edges are lightly charred. The outer leaves wilt slightly while the centre stays crisp, adding a warm, smoky depth to a classic Caesar salad that feels completely new.

6. Grapefruit

Grapefruit
© Pumpkin ‘N Spice

Sprinkling brown sugar over a grapefruit half and sliding it under the grill is a breakfast upgrade worth waking up early for. The sugar melts and bubbles into a crackling, amber crust similar to the top of a creme brulee, while the fruit beneath softens and becomes juicier.

The heat also reduces the bitterness that puts some people off grapefruit, leaving behind a balanced sweet-tart flavour. It takes about five minutes and requires almost zero skill, making it one of the easiest impressive breakfasts around.

7. Bread Slices

Bread Slices
© Sip Bite Go

Forget the toaster. Grilling bread gives you something far more satisfying: a deeply golden, slightly smoky slice with a proper crunch that toasters simply cannot replicate.

Sourdough, ciabatta, and thick-cut white bread all work brilliantly.

Brush each slice generously with garlic butter or plain olive oil before grilling to help achieve that irresistible colour and flavour. Two to three minutes under a hot grill is all it takes.

Use the result as a base for bruschetta, alongside soup, or eaten shamelessly on its own with a pinch of flaky salt.

8. Bananas

Bananas
© Love And Other Spices

Grilled bananas are the dessert hack that every busy parent needs to know about. Split a ripe banana lengthways, keeping the skin on, and press a few chocolate chips or a spoonful of peanut butter into the flesh.

Slide the tray under the grill for about four minutes until the banana is soft, gooey, and slightly caramelised at the edges. The skin acts as a natural bowl, holding everything together perfectly.

Serve with a scoop of ice cream for a pudding that tastes far more indulgent than the effort involved.

9. Feta Cheese Block

Feta Cheese Block
© Milk Street

Long before baked feta pasta took over the internet, people were sliding whole blocks of feta under the grill and discovering something magical. Place a block of feta in a small oven-safe dish, surround it with cherry tomatoes, drizzle with olive oil, and add a pinch of dried oregano and chilli flakes.

Grill for eight to ten minutes until the feta is golden on top and soft in the middle. Scoop it up with crusty bread for a warm, salty, creamy starter that takes almost no effort to prepare.

10. Tinned Chickpeas

Tinned Chickpeas
© JoyFoodSunshine

Chickpeas from a tin are convenient but a little bland straight out of the can. A few minutes under the grill changes everything, turning them into crunchy, flavourful little bites that work as a snack, a salad topper, or a soup garnish.

Drain and dry the chickpeas thoroughly, toss them in olive oil, smoked paprika, and cumin, then spread them on a foil-lined tray. Grill on high for eight to ten minutes, shaking the tray halfway through, until they are golden and crispy on the outside with a slightly soft centre.

11. Pineapple Rings

Pineapple Rings
© Carmy

Pineapple and heat are a legendary combination for a reason. The natural sugars in fresh or tinned pineapple rings caramelise under the grill almost instantly, creating a sticky, golden surface with a depth of flavour that the raw fruit cannot match.

Grill for three to four minutes per side until dark grill marks appear. Serve with honey and cinnamon for a dessert topping, slide a ring into a burger for a sweet contrast, or chop and toss into a salsa for an easy tropical twist on your next meal.

12. Polenta Slices

Polenta Slices
© tastetrails.world

Ready-made polenta from a tube is one of the most underrated items in the supermarket. Slice it into rounds about one centimetre thick, brush both sides with olive oil, and place under a hot grill for four to five minutes per side.

The outside crisps up beautifully into a golden crust while the inside stays creamy and soft. Use grilled polenta rounds as a gluten-free alternative to toast, as a base for bruschetta toppings, or as a satisfying side dish next to grilled vegetables or a simple tomato sauce.

13. Miso-Glazed Aubergine

Miso-Glazed Aubergine
© From A Chef’s Kitchen

Aubergine has a reputation for being tricky to cook, but the grill makes it completely foolproof. Score the flesh in a crosshatch pattern, brush generously with a mixture of white miso paste, mirin, and a touch of sesame oil, then place cut-side up under the grill.

After eight to ten minutes, the glaze bubbles and caramelises into something deeply savoury and slightly sweet. The aubergine flesh becomes silky and tender beneath the sticky crust.

Scatter with sesame seeds and sliced spring onion to finish.

14. Canned Sardines

Canned Sardines
© Food & Wine

Tinned sardines are already cooked, but a quick flash under the grill transforms them into something far more exciting. Place them on a foil-lined tray with their oil, add a few slices of garlic and a pinch of chilli flakes, and grill for three to four minutes.

The skin crisps up while the edges start to caramelise, giving the sardines a texture and flavour that feels much closer to freshly grilled fish. Serve on grilled bread with a squeeze of lemon for a speedy, protein-packed lunch.

15. Camembert Wheel

Camembert Wheel
© afvshow

Baked Camembert is a crowd-pleaser at any gathering, and the grill gets it there faster than the oven. Keep the cheese in its wooden box or transfer it to a small oven-safe dish, score the top, and press in a sprig of rosemary and a clove of garlic.

Drizzle with honey and grill for six to eight minutes until the top is golden and the inside is completely molten. The contrast between the warm, runny cheese and crunchy dippers like breadsticks or apple slices is absolutely irresistible.

16. Frozen Corn on the Cob

Frozen Corn on the Cob
© Easy Weeknight Recipes

No need to wait for fresh corn season. Frozen corn cobs go straight from the freezer to the grill tray with no defrosting required, which makes this one of the most convenient tricks in the book.

Brush with butter and season with smoked paprika, salt, and a little garlic powder.

Grill on high for ten to twelve minutes, turning halfway through, until the kernels are golden and slightly charred in places. The result is sweet, smoky, and buttery, tasting far better than boiled corn ever could.

17. Tofu Slabs

Tofu Slabs
© Shane & Simple

Tofu gets a bad reputation, but that is almost always because it has not been cooked properly. Grilling firm tofu changes the texture dramatically, creating a crispy, golden exterior that holds its shape and absorbs flavours like a sponge.

Press the tofu dry, slice into thick slabs, marinate in soy sauce, garlic, and sesame oil for ten minutes, then grill for four to five minutes per side. The outside firms up into a satisfying crust while the inside stays soft.

Serve over rice or noodles for a complete, flavour-packed meal.

18. Naan Bread with Toppings

Naan Bread with Toppings
© Stonefire

Store-bought naan bread becomes a genuinely impressive quick pizza when it spends a few minutes under the grill. The bread puffs up slightly and gets crispy on the edges while the base stays soft and chewy, creating a texture that rivals proper pizza dough.

Spread with tomato sauce or pesto, add your toppings of choice, and grill for four to five minutes until the cheese is melted and bubbling with golden spots. It is a brilliant weeknight shortcut that kids and adults both love equally.

19. Egg in a Pepper Ring

Egg in a Pepper Ring
© Healthy Recipes Blog

Here is a breakfast idea that looks far more impressive than the effort it requires. Slice a bell pepper into thick rings, place them on a foil-lined grill tray, and crack an egg into the centre of each ring.

The pepper acts as a natural mould, keeping the egg perfectly contained.

Grill on medium heat for five to seven minutes until the white is set and the yolk is still slightly runny. Season with salt, pepper, and a pinch of chilli flakes for a colourful, protein-rich start to the day.

20. Tinned Tomatoes on Toast

Tinned Tomatoes on Toast
© whatiateforbreakfast

Tinned tomatoes on toast sounds like student food, but grilling takes it somewhere completely different. Spoon whole tinned tomatoes onto thick slices of oiled bread, season with salt, pepper, dried oregano, and a pinch of sugar, then slide under the grill for five to six minutes.

The tomatoes bubble and concentrate, their edges caramelising against the toasted bread beneath. A drizzle of good olive oil and a few fresh basil leaves transform this humble combination into something that genuinely rivals cafe-quality bruschetta at a fraction of the cost.

21. Marshmallows

Marshmallows
© Aberdeen’s Kitchen

You do not need a campfire to get perfectly toasted marshmallows. Spreading them on a foil-lined tray and sliding them under the grill gives you that golden, caramelised exterior and gooey melted centre in about two minutes flat.

Watch them carefully because they go from perfect to burnt very quickly. Use toasted marshmallows to top a mug of hot chocolate, sandwich between biscuits with a square of chocolate for indoor s’mores, or pile them onto a brownie for a dramatic, Instagram-worthy dessert that requires almost no cooking skill.

22. Leftover Rice Cakes

Leftover Rice Cakes
© The Kitchn

Leftover rice from last night’s dinner can become something genuinely exciting with a little creativity and your grill. Press cold cooked rice into flat patties using your hands or a cookie cutter, brush with sesame oil and soy sauce, then place on a foil-lined tray.

Grill for five to six minutes until the bottom is crispy and golden, then carefully flip and repeat. The exterior crisps up into a crunchy shell while the inside stays soft and sticky.

Serve with a sweet chilli dipping sauce for a brilliant snack that wastes nothing.

23. Sliced Fennel

Sliced Fennel
© The Mediterranean Dish

Fennel has a mild anise flavour that becomes sweeter and more mellow when exposed to high heat. Slice a fennel bulb into thick wedges about one centimetre wide, brush with olive oil, and season with salt and pepper before placing under the grill.

After five to six minutes per side, the edges are caramelised and the centre is tender and sweet. The transformation from sharp and raw to soft and caramelised is remarkable.

Finish with a grating of orange zest and a handful of chopped parsley for a side dish that pairs beautifully with fish or pork.

24. Cream Cheese-Stuffed Chillies

Cream Cheese-Stuffed Chillies
© Well Seasoned Studio

Stuffed chillies sound like a restaurant dish, but they come together in under fifteen minutes with almost no effort. Choose large, mild chillies like poblanos or long sweet peppers, slice them open lengthways, and remove the seeds carefully.

Fill each one generously with cream cheese mixed with a little garlic and spring onion, then press the edges back together and place on a grill tray. Grill for six to eight minutes until the skin blisters and the filling is warm and slightly golden.

A scatter of fresh coriander finishes the dish perfectly.

25. Pita Bread Chips

Pita Bread Chips
© Our Happy Mess

Shop-bought pita bread transforms into addictively crunchy chips under the grill in just a few minutes, and they taste far better than anything from a bag. Tear or cut pita bread into rough triangles, spread on a baking tray, and brush generously with olive oil.

Season with za’atar, sumac, or simply salt and garlic powder, then grill for two to three minutes until golden and crispy. Keep a close eye on them because they colour quickly.

Serve alongside hummus, tzatziki, or any dip for a snack that disappears embarrassingly fast.

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