Tricks that everyone should know about cooking

I don't really get the dull knife one.

When I make cake and brownies I substitute half of the oil called for with applesauce.
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Also, super easy muffins: 1 small can Pumpkin, 1 box cake mix. Add water if necessary. 350 for about 15 mins or until tops are crisp.

Adding a slice of bread to an over salted dish makes it slightly less salty

Well, someone has watched Deep Blue Sea.

#3 is fake. I put garlic in a strawberry pie and it tasted awful.

The first one is true for nearly everything not just steak, it's called carry over cooking and it tends to really mes everything up. Cook/bake a little under that way your food doesn't end up overcooked and dry.