What energy efficient options are there for small baking quantities?

This morning felt like some scones and had to pre-heat my normal oven to 220C which takes like 15m - just to bake a very small batch of scones (literally 4) which took 12m.
I'm a energy conscious bachelor and wont be baking for large quantities often so was wondering what my options there are for quick small scale baking (literally, a handful of scones / mini bundt cake / a couple of pastries).
My microwave is rather dated, so I was wondering if I could get something like:
https://www.lg.com/za/microwaves/lg-MS5696HIT or
https://www.lg.com/za/microwaves/lg-MH8265DIS or
https://www.lg.com/za/microwaves/lg-MA3884VC
Much smaller loading area which should heat up quicker and inverter tech should also be more efficient, but can it bake? Or perhaps something else entirely I'm overlooking?
Best Answer
There are a variety of counter-top ovens on the market that fit the bill. They range from fairly simplistic, to feature-rich and quite good. The most basic would easily bake a few muffins. These are not microwave ovens, but more like your home oven on a smaller scale. Searching "countertop oven" will yield many results.
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How can I make my oven more energy efficient?
Does a microwave use more electricity than an oven?
Yes, microwave ovens use less energy (up to 80% less) than conventional ovens. In addition to saving energy, microwave ovens generally cook food much faster, and don't generate as much heat in your kitchen, so you could save on air conditioning costs during the summer.Is it cheaper to cook in a microwave or oven?
According to the federal government's Energy Star program, which rates appliances based on their energy-efficiency, cooking or re-heating small portions of food in the microwave can save as much as 80 percent of the energy used to cook or warm them up in the oven.Is a microwave energy efficient?
A microwave uses significantly less energy than either a gas or electric oven. To use your microwave for one hour every day would cost you about half the total energy of a natural gas oven and 60% less than an electric oven.Energy Efficient Cooking Tips
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