To get a good sear on a steak in a pan, the pan doesn’t have to be super hot, you just have to make sure the contact surfaces are as dry as possible.
If your stew tastes like it’s missing something, it’s bay leaf.
Don’t buy hyperspecialized tools for cooking if you can use more generalized tool for the task with the same amount of effort. You can do a lot with a good chef’s knife.
Cut through greasiness with a bit of acid.
Adding a little bit of sugar, but not so much you can taste the sweetness, to otherwise salty dishes will mellow out and enhance the flavor of the dish.