20 Things You've Been Doing Wrong in the Kitchen Your Entire Life

You can say goodbye to moldy lemons in your fridge thanks to this ingenious hack for keeping them fresh for up to three months. All you need is a bowl of water.

Get the tip: how to keep lemons fresh longer

The best roasted potatoes are boiled in salted water and roasted in the oven for a perfectly soft interior and supercrunchy exterior. The other secret ingredient — whole-grain mustard — takes their flavor to the next level.

Get the recipe: mustard roasted potatoes

Cutting a lime in half barely gives you any juice . . . and that's because that's not the proper way to cut it.

Get the tip: how to cut a lime

Protein, including eggs, hates heat. If you've always ended up with overcooked and rubbery scrambled eggs, you're probably cooking them too quickly at too high a heat. Low and slow is the only way to go for soft, custardy scrambled eggs.

Get the recipe: Gordon Ramsay's scrambled eggs

You only need four ingredients (peanut butter, sugar, egg, and vanilla) for perfect peanut butter cookies.

Get the recipe: easy peanut butter cookies

Almost every time you make pasta, you should save about half a cup of the pasta water before pouring the rest down the drain. The salty, starchy liquid that the pasta cooked in becomes a crucial part to achieving a silky, cohesive sauce in most pasta dishes like carbonara, cacio e pepe, and garlic white wine pasta.

Get the tip: why you should save pasta water

If you're not adding salt to the top of freshly baked chocolate chip cookies, you're doing it wrong. A sprinkling of good-quality flake salt completely transforms the flavor of chocolate chip cookies and immediately elevates them.

Get the recipe: easy chocolate chip cookies with flake salt

One-pot fettuccine alfredo might actually change your life. There's no need to make the cheese sauce in a separate pan when the pasta can be cooked in the liquid for maximum flavor and easy cleanup.

Get the recipe: one-pot fettuccine alfredo

A spring-loaded ice cream scoop will be your key to evenly portioned cookies and cupcakes.

Get the tip: how to bake equal-size cupcakes

You'll never buy ground beef again once you learn how to make burgers from sirloin tips rather than ground chuck. The flavor and texture are far superior to store-bought ground beef.

Get the recipe: America's Test Kitchen burger recipe

Perfectly measuring spaghetti can be stressful — it's easy to end up with too much or too little. Turns out the secret to a perfect portion of spaghetti lies in the kitchen tool you're already using to make it.

Get the tip: how to measure spaghetti

Eating quesadillas is messy. Make them dip-friendly and a lot more fun to eat by making quesadilla roll-ups instead of flat quesadillas.

Get the recipe: quesadilla roll-ups

If you're not going to finish all your eggs before they go bad, freeze them! Fresh eggs will last about five weeks in the fridge but up to six months in the freezer. The simplest way to freeze eggs is by dividing them in a muffin tin. Freeze until they are solid, transfer to a resealable freezer-safe plastic bag, and store until you're ready to use.

Get the tip: how to freeze eggs