Best 4-Ingredient Guacamole Recipe

Homemade guacamole is one of my all-time favorite apps. Maybe because it’s tasty but feels healthy (because avocado and green, right?). Plus, it’s an excuse to eat tortilla chips, which is always a win — I’m an avid carb lover.

However, guac can feel a little daunting to make from scratch. After all, avocados aren’t the most… cooperative of ingredients, and it can feel easier to just grab a pre-made container from the store rather than roll the dice.

But I promise, homemade really is best! And after many years of making (and eating) it, I’ve perfected a 4-ingredient guacamole recipe that’s pretty hard to beat. 

No, really, it’s just four ingredients, and they’re all ones you either already have on hand or are easy to grab from the store. It’s absolutely delicious, but so simple to make. 

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The 4 Ingredients

Let’s talk about the four ingredients you need to make the absolute best guacamole.

If you’re part of the unfortunate population percentage that experiences cilantro as “soapy,” never fear, cilantro is not one of those ingredients. And while tomatoes are another common guacamole addition, this recipe also doesn’t use them, since I’ve found they can quickly make your guac watery.

So what are these four magical ingredients, you ask? Let’s take a look.

1. Avocados

Obviously, everyone knows you need avocados to make guacamole. But as you’ve probably experienced, they tend to be a little finicky. They love to alternate between totally rock hard and complete brown mush, and neither is ideal for guac!

Ideally, you want avocados at that perfect ripeness: soft to the touch without being squishy. But since we live in an imperfect world, here are a few of my tips for ensuring your guacamole turns out great even if your avocados aren’t behaving.

• Get your avocados a few days in advance: It might seem counterintuitive, but buying them ahead of time gives you more control. Since they ripen at different speeds, I just check on them once a day. As they ripen, I pop them in the fridge. They won’t stay perfect forever, but it usually buys you a few days.
• Buy more than you think you need: Sometimes an avocado appears perfect on the outside but is totally brown inside. And even the best avocados can have bad spots you need to cut out, so it’s always good to have a backup or two to compensate for the lost quantity.
• Mix your ripeness levels: If you’re in a pinch, I’ve found that mixing riper avocados with slightly less ripe ones still works. You can’t use all unripe avocados, but if you have a few soft ones in there and mash the firmer ones really well, you can definitely get away with it.

2. Sweet Onion

You’ll also need an onion for flavor, crunch, and a little bit of bite.

I am a big onion lover, but they can be overpowering when they’re raw. One of my favorite tricks from my mom is to use sweet onions (often labeled as Vidalia onions) instead of yellow or red. They have all that delicious onion flavor but are much milder. 

Ideally, you should chop your onion finely to help it disperse throughout the guac. However, I’ll admit I’m a little lazy (and I love onions so much) that I sometimes leave them in bigger chunks. It’s all up to your personal preference!

I usually use around ⅓ to ½ cup of chopped onion for this recipe, but I always adjust based on the size of the avocados.

3. Fresh Lime Juice

Fresh lime juice is essential for adding acidity and brightness. I’ve found that the juice from one lime is usually sufficient for this recipe, but I always add it to taste. You can use more or less depending on your preference, the size of your avocados, and the type of chips you’re using.

If you only have bottled juice, that can work in a pinch, but it won’t be quite as bright and fresh.

4. Garlic Salt

Lastly, I’m convinced that the secret ingredient that makes this guacamole so good is garlic salt. It’s such a simple yet powerful addition that adds the salt you need as well as flavor. I use Lawry’s, which is a tried-and-true classic.

I usually add around 1 ½ teaspoons, but the amount you add will depend a lot on how salty your chips are, so I recommend tasting as you go (more on that next!). 

How to Make It

This recipe comes together in about 15 minutes. Here’s the process:

1. Scoop and mash: Scoop the avocados into a large bowl and mash with a fork until they reach your desired consistency (I like mine slightly chunky).

2. Season: Stir in the sweet onion, lime juice, and garlic salt. Be sure to taste as you go and adjust quantities as desired.

3. Serve or store: Serve immediately, or press plastic wrap directly onto the surface and refrigerate for up to two hours.

Recipe Notes & Tips for Serving

Before I dive into the full recipe, I want to share a couple of important notes and serving tips. 

Adjusting Ingredients to Taste

My biggest tip for this recipe is to taste it as you go. In fact, I’m telling you that it’s your scientific and moral duty to do so.

You’re welcome!

The four ingredients here are straightforward, but the exact quantities will vary depending on the size of your avocados. The avocados determine your starting point, and from there, you should adjust the onion, lime juice, and garlic salt accordingly. If you’re unsure, I recommend erring on the side of less. You can always add more, but you can’t take it back!

If you’re serving your guac with chips, be sure to sample it with the actual chips you’ll be serving, not just a spoon. I flavor my guacamole very differently depending on how salty or flavorful the chips are. Plus, eating chips is fun!

If you find you need a second opinion on the flavor balance, I’ve found it’s usually very easy to find volunteer taste testers.

Recommended Chips for Serving

My absolute favorite chips to serve this with are Tostitos Hint of Lime. They’re delicious on their own (they’re basically lime-flavored Doritos), but they complement the guac so well. 

Trader Joe’s Corn Chip Dippers are nother go-to for when I want something a bit less lime-heavy. They’re like a larger version of a Frito and have a great salty, neutral flavor that lets the guacamole shine.

Those are my personal favorites, but of course, you can serve this with whatever tortilla chips you like!

Optional 5th Ingredient

While I don’t usually add a fifth ingredient, if I ever choose to, a spoonful or two of sour cream is a fun way to mix things up. 

Sour cream adds richness and creaminess, but it does dilute the intensity of the avocados slightly (plus my husband is technically lactose intolerant), so I generally leave it out. 

But if you’re feeling indulgent and you love any excuse to add sour cream to your life, you won’t regret sneaking some in there.

Now that I’ve shared all my best tips for making this guac, here’s the full recipe!

FAQs

See below for answers to frequently asked questions about this guacamole recipe!

Can I substitute a yellow or red onion for the sweet onion?

Yes, but keep in mind that sweet onions have a uniquely mild flavor. Red and yellow onions have much more “bite,” so you may want to start with a smaller amount and taste as you go. The final flavor will be a bit sharper, but it still works!

Can I make this in advance? 

Guacamole is always best served fresh. However, if you’re prepping for a party, you can make it up to two hours in advance. Just be sure to press plastic wrap directly onto the surface and keep it in the fridge until you’re ready to serve. 

How do I keep my guacamole from turning brown? 

Just press plastic wrap directly onto the surface of the guac so no air can get to it. The lime juice in the recipe also helps slow down the browning, but as a rule of thumb, it’s best to serve it within a two-hour window.

Can I use bottled lime juice?

I always recommend fresh juice for the best results, but you can definitely get away with bottled in a pinch. Just know that you might lose a little of the bright citrus hit that fresh lime provides.

Is garlic salt really necessary for this recipe? 

Yes, it’s the secret ingredient (I use Lawry’s brand). While you can try substituting a mix of regular salt and garlic powder, I haven’t tested the exact ratios for that, and garlic salt provides a flavor that’s hard to replicate.