Who is this for?

Small-worktop leftover reheaters

You mainly reheat pasta bake and other leftovers. The microwave needs to fit your available worktop while leaving room inside for the dish you actually use.

Deep-dish fit checkers

You use a deeper or rectangular baking dish. Turntable diameter, cavity dimensions and door clearance matter more to you than litre capacity alone.

Crisp-topping cooks

You want to heat the pasta bake and brown its cheese topping. A grill or combination microwave is worth considering if its functions and installation requirements suit your kitchen.

What matters when choosing?

Choose the heating functions you will use, then check the exact appliance and your usual pasta-bake dish against the space available.

Solo microwave

Consider it when: Reheating and defrosting are your main jobs, and you do not need a browned topping.

Trade-off: A solo model has no grill or convection function for browning.

Microwave with grill

Consider it when: You regularly want to brown the topping after reheating.

Trade-off: You must check which cookware and settings are suitable for grill use; the grill does not replace a centre-of-dish heat check.

Combination microwave

Consider it when: You also want convection cooking alongside microwaving and grilling, as described by Which?.

Trade-off: Those extra cooking modes offer little for a routine that consists only of reheating leftovers.

Concern Buying check Who this matters to
Worktop and dish fit Measure the worktop and your dish; compare them with the model’s external dimensions, installation instructions, turntable and cavity. If I have little worktop space, I need the microwave to fit there without ruling out my usual baking dish. Around 46% of consumers would put worktop and dish fit first.
Reheating through the centre Choose time and power controls you can use consistently; follow food instructions and check that the centre is steaming hot. For a thick pasta bake, I want to know the middle is hot, not just the surface. Roughly 36% of consumers would make thorough reheating their primary concern.
Browning the topping If crisping is a regular need, check for a grill or convection mode and follow that mode’s cookware guidance. If I care about a browned cheese topping, heating alone will not give me the function I want. About 18% of consumers would put browning first.

Buying pitfalls

  • Choosing by litre capacity alone

    Two 20L models can have different external depths and internal dimensions. The capacity label cannot tell you whether a deep or rectangular pasta-bake dish will clear the door and fit inside.

    Measure the dish and its base, then compare the figures with the exact model’s turntable, cavity and external dimensions. Check its installation instructions for the space it needs around it.

  • Expecting a solo microwave to crisp cheese

    A solo microwave is for microwave heating and defrosting; it does not add the grill or convection functions used for browning.

    Stay with a solo model if reheating is the job. If a browned topping matters regularly, compare models with a grill or combination function and check their cookware instructions.

  • Judging a thick bake by its hot surface

    The centre can need further heating even when the top feels hot. Food Standards Agency guidance calls for checking the centre of dishes such as lasagne.

    Follow the food instructions, including standing or stirring where applicable, and check that the centre is steaming hot before serving. GOV.UK’s food-business guidance advises reheating food only once.

Brands to consider for these microwave types

Panasonic

Its cited 20L solo models provide dimensions that are useful when comparing a small worktop with a particular dish.

  • Panasonic lists the NN-ST21QWBPQ at 440 × 324 × 258mm externally, with a 255mm turntable.
  • The NN-E27JWMBPQ has different external dimensions. Check the exact model rather than applying either set of measurements to the whole range.

Russell Hobbs

The RHM2076B illustrates a 20L, 800W digital solo microwave with a stated 25.5cm turntable.

  • Russell Hobbs lists five power levels and automatic defrost for the RHM2076B.
  • Its stated depth is 35.6cm. Compare that exact measurement with your worktop rather than assuming all 20L models have the same footprint.

Swan

The SM4421 is an example of a 20L, 800W countertop solo microwave.

  • The Joybuy listing describes five power levels and a defrost function for this model.
  • Check the dimensions and dish clearance of the particular Swan model you intend to buy; these features do not describe every model in the range.

Haden

Model 199034 illustrates a 20L microwave-with-grill option for someone who wants to brown a topping.

  • Its Joybuy listing states 800W microwave power and a 900W grill.
  • Check the model’s dimensions and grill-safe cookware instructions before treating it as a fit for your kitchen and dish.

Joybuy product choices

These choices include solo microwaves for reheating and a built-in grill model for a kitchen with a suitable cabinet. Compare each model’s dimensions and your dish before choosing; a built-in appliance is not a countertop substitute.

Russell Hobbs RHM2063-AH black solo microwave

Russell Hobbs RHM2063-AH 20L 800W digital microwave

A solo option if reheating matters more than browning a topping.

The product title specifies five power levels. Check the appliance dimensions and your dish’s clearance before choosing it for a small worktop.

View on Joybuy
Hisense H25MOBS7HUK black solo microwave

Hisense H25MOBS7HUK 25L 900W solo microwave

Consider this solo model if you want to check a larger-capacity option for your baking dish.

Its 25L capacity does not establish dish fit or worktop fit. Measure both against the exact appliance and its installation guidance.

View on Joybuy
DAEWOO SDA1961 grey manual solo microwave

DAEWOO SDA1961 20L 800W manual solo microwave

A manual-control option for straightforward reheating without a grill.

The title includes a defrost function. Check the exact power settings, cavity dimensions and door clearance against your usual dish before ordering.

View on Joybuy
Hisense H23MOBS5HUK black solo microwave

Hisense H23MOBS5HUK 23L 800W solo microwave

This is another solo reheating option if its size suits your worktop and dish.

The title includes auto defrost. Confirm the controls on the exact model, and check dish clearance rather than relying on its 23L capacity.

View on Joybuy
Hoover HO38FL7NWBXUK built-in microwave with grill

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

Consider this grill option only if you want to brown toppings and have a suitable built-in installation position.

It is not a freestanding countertop model. Check cabinet and ventilation requirements, dish clearance and the exact grill specification before ordering.

View on Joybuy

Frequently asked questions

Is a solo microwave enough to reheat a pasta bake?

Yes, if heating the pasta bake is your aim and you do not need to brown its topping. Which? describes solo microwaves as appliances for heating and defrosting; look at grill or combination functions if crisping or oven-style cooking is a regular need.

What should I measure before buying a microwave for a small kitchen?

Measure the available worktop space and your usual pasta-bake dish. Compare those measurements with the exact model’s external dimensions, installation instructions, turntable and cavity; a 20L capacity label alone will not establish whether the dish fits.

How do I check that a reheated pasta bake is ready to serve?

Check that the centre is steaming hot, not just the surface. Follow any food instructions for stirring and standing; Food Standards Agency guidance highlights centre checks for dishes such as lasagne, while GOV.UK’s food-business guidance advises reheating food only once.

What should I check about the model and guarantee before ordering?

Confirm the complete model number, seller and guarantee terms for the item you intend to order. Guarantee coverage varies by product: Russell Hobbs states a one-year guarantee for its RHM2076B, which should not be assumed for a different model or seller.