Who is each type for?

Consumers who care about the topping

If you want to investigate a browned finish after warming the crumble, look at grill or convection-capable models. Electrical Safety First describes grill microwaves as having a heating element for grilling and toasting; that function alone does not establish how your crumble will turn out.

Consumers reheating a portion or two

If straightforward warming matters more than browning, a solo microwave is the simpler route. Solo microwaves are suitable for reheating food.

Consumers using a family-sized dish

If you reheat a whole dish or several portions, compare its measurements with the usable cavity and turntable or flatbed. A capacity figure in litres cannot establish whether a particular wide or deep dish will fit.

What matters when choosing?

Solo microwave

Choose it when: You want to warm crumble without a separate browning step.

Trade-off: It has no grill or convection mode for browning the topping.

Microwave with grill

Choose it when: You want microwave reheating and the option to grill or toast food afterwards.

Trade-off: You must check the permitted grill settings, cookware and accessories; a crisp crumble topping is not assured.

Combination microwave

Choose it when: You also want convection cooking for baking or browning beyond reheating.

Trade-off: Check the appliance’s dimensions and learn which settings and cookware apply to each mode.

Concern What to check Who this matters to
Topping texture Check for a grill or convection mode and read its cookware and operating instructions. If I want to brown the topping after warming the crumble, a solo microwave will not give me that separate function. Roughly 42% of consumers put topping texture first.
Controlled reheating Look for usable power controls and clear reheat instructions; check food in more than one place. When reheating a thicker portion, I want to avoid a cold centre even if the edges feel hot. For roughly 33% of consumers, controllable reheating is the primary concern.
Simple appliance and dish fit Measure your dish against the usable cavity and turntable or flatbed, then check the appliance’s space requirements. If I occasionally warm dessert, I would rather have straightforward controls and room for my usual dish than extra cooking modes. Basic reheating is the main priority for roughly 25% of consumers.

Mistakes to avoid

  • Expecting a solo microwave to brown the topping

    A solo model warms food but has no grill or convection browning mode. The distinction matters if topping texture is the reason you are changing appliances.

    Decide whether warming alone is acceptable before buying. If not, compare grill and combination functions, along with their permitted cookware.

  • Choosing by capacity without measuring the dish

    A litre figure does not tell you whether a wide, rectangular or deep crumble dish fits the usable space.

    Measure the dish’s width and height, then compare them with the manufacturer’s cavity and turntable or flatbed measurements.

  • Stopping when only the edges are hot

    The Food Standards Agency warns that microwaved food can be hot at the edges while remaining cold in the centre.

    Follow the food and appliance instructions, stir where practical, allow any instructed standing time and check that the centre is thoroughly hot before serving.

  • Using unsuitable cookware or power arrangements

    Electrical Safety First warns that metal can spark, unsuitable plastics can melt and an extension lead can be overloaded when high-power appliances are connected.

    Use cookware permitted for the selected mode, keep vents clear and plug the microwave directly into a suitable socket.

Brands to consider

Panasonic

Panasonic’s UK range includes the NN-ST65QBBPQ solo inverter microwave and the NN-CF87LBBPQ combination model. They illustrate different choices rather than a capability shared by every Panasonic microwave.

  • Panasonic lists a 32 L cavity and 34 cm turntable for the NN-ST65QBBPQ, which may be relevant when checking a wider dish.
  • The NN-ST65QBBPQ remains a solo model without grill or convection browning; the NN-CF87LBBPQ has both functions, but its settings and usable dish space still need checking.

Sharp

The Sharp R982STM is a larger combination-microwave example for comparing dish space and cooking functions.

  • The manufacturer lists the R982STM with a 42 L capacity and microwave, grill and convection-oven functions.
  • Its listed 345 mm turntable still needs comparing with the shape and height of your own dish.

Kenwood

The Kenwood K30CSS14 provides a 30 L combination-model reference if you want to compare reheating with oven and grill functions.

  • The manufacturer lists microwave, oven and grill functions for the K30CSS14.
  • Check the dimensions, functions and availability of the specific model you intend to buy rather than assuming another Kenwood model has the same configuration.

Joybuy microwaves to compare

These grill and combination microwaves offer reheating with an additional mode to investigate for a browned finish. Compare the space needed for your crumble dish and, for built-in models, the installation requirements before choosing.

Russell Hobbs RHMAF2508B combination microwave in black

Russell Hobbs RHMAF2508B 25 L combination microwave

Consider this 4-in-1 digital model if you want more cooking options than microwave reheating alone.

Check that your crumble dish fits and follow the instructions for cookware and each cooking mode; an additional mode does not guarantee a crisp topping.

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Toshiba MW3-SAC23SF(MB) combination microwave in mirror black

Toshiba MW3-SAC23SF(MB) 23 L air-fry combination microwave

Consider this model if you want microwave reheating alongside a separate grill option. Its title specifies 900 W microwave power, a 1000 W grill, smart app control and 10 cooking presets.

Measure your dish against the usable interior and follow the instructions for the mode and cookware you use.

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Hoover HO38FL7NWBXUK H-Microwave 300 built-in microwave with grill

Hoover HO38FL7NWBXUK H-Microwave 300 20 L built-in microwave with grill

This model suits a fitted-kitchen plan where you want microwave reheating and a grill option.

It requires installation in a ventilated cabinet rather than freestanding use. Confirm the cabinet dimensions, dish fit and applicable grill instructions before buying.

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Samsung MC28A5125AK/EU combination microwave in black

Samsung MC28A5125AK/EU 28 L combination microwave

Consider this 900 W model if you want microwave reheating with convection cooking; its title also identifies a smart moisture sensor.

Check the usable interior against your dish, and use the appliance instructions to choose a suitable cooking mode and cookware.

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CDA VM452SS built-in microwave with grill and convection oven

CDA VM452SS 25 L built-in microwave with grill and convection

Consider this 900 W microwave if a fitted-kitchen appliance with grill and convection options matches how you cook.

Confirm cabinet compatibility and the space available for your crumble dish. Use only cookware and accessories permitted for the selected mode.

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Frequently asked questions

Is a solo microwave enough for apple crumble?

Yes, if warming the crumble is your priority and you can accept a soft topping. A solo microwave has no separate grill or convection browning mode, so investigate those functions if topping texture matters more to you.

How can I check that leftover crumble is thoroughly reheated?

Check that it is hot throughout, including at the centre. The Food Standards Agency warns that microwave heating can leave the centre cold while the edges are hot; follow the food and appliance instructions, stir where practical and allow any instructed standing time before checking several areas.

What microwave size will fit my crumble dish?

Choose by the dish’s actual width, height and shape rather than capacity in litres alone. Compare those measurements with the usable cavity and turntable or flatbed, leaving the clearance required by the appliance instructions.

What electrical-safety checks matter for a microwave?

Check that you can position and power the appliance as its instructions require. Electrical Safety First advises keeping vents clear, using suitable containers and avoiding an extension lead for the microwave; a built-in model also needs installation that meets its cabinet requirements.