Next, you move on to processes which may be somewhat bothering.

"Somewhat bothering" doesn't really make sense in this sentence without further context.

You boil your preprocessed ingredients or heat them in the microwave infor a short time.

With or Without these processeshether you do this or not, you may mix them up and add seasonings to ithem.

Here, your conditionmental state, emotions, or your negative attitude againsttowards housework may influence your cooking.

If you are a strict person or anxinervous about the failure of your cooking, you may measure their amount by utensils, which is completely the same as that inmessing up, you may measure the ingredients' amounts using utensils, which is how the recipe does it.

However, if you feel tired, unmotivated. or do not care about the taste of your mealsfood, you will cut corners.

"Do not" is said/written as "don't".
"You will" is said/written as "you'll".

You might lose your concentration on cooking and confounduse salt with sugar without noticing.

"Confound" is technically correct but sounds very formal.

It is not until the cooking is finishedyou're done cooking that you realize your mistakes.

"It is" is often said/written as "It's".

When you notice some left-over vegetables left just at this time, you may quickly cut them roughly in a haste.

If you want to change yourthe familiar taste of meals, you can add other spices which you haven't tried before.