Easy High Protein Southwest Pasta Salad

I used to think pasta salad was just a boring side dish you brought to potlucks when you couldn’t think of anything else to make. You know the kind—mushy noodles, a few sad veggies, and way too much mayo. Then I figured out the secret: you need bold flavors and actual protein to make it worth eating.

This southwest version is nothing like those forgettable bowls from summer cookouts past. The Greek yogurt cuts the richness of the mayo while keeping things creamy, and the protein pasta means you’re actually getting a decent meal, not just carbs. Plus, when you mix in black beans, corn, and all those southwest flavors with lime and taco seasoning, you end up with something that tastes way better than it has any right to. It’s the kind of thing I actually crave for lunch.

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What Kind of Pasta Should I Use?

For this southwest pasta salad, you’ll want to pick a pasta shape that can hold onto all that creamy, zesty dressing. Short pasta shapes like rotini, penne, or bow ties work really well because they have nooks and crannies that catch the sauce and mix-ins. Whole wheat pasta is a great option if you want to bump up the fiber and nutrition, or you could go with a chickpea or lentil-based pasta for even more protein. Just make sure to cook your pasta al dente and rinse it with cold water after draining – this stops the cooking process and keeps it from getting mushy in the salad.

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Options for Substitutions

This pasta salad is pretty forgiving when it comes to swaps, so feel free to work with what you have:

• Pasta: Any short pasta shape works great here – rotini, penne, shells, or bowtie all hold the dressing well. For a higher protein boost, try chickpea or lentil pasta.
• Black beans: Pinto beans, kidney beans, or even chickpeas make good substitutes. You can also use a combination of beans if you want more variety.
• Avocado oil mayo: Regular mayo works just fine, or you can use all Greek yogurt for a lighter, tangier version. If going all yogurt, use about 1 cup total.
• Pickled onions: If you don’t have pickled onions, use diced red onion instead. For less bite, soak the raw onion in cold water for 10 minutes before adding.
• Green chiles: Fresh diced jalapeños or poblano peppers work well. Remove the seeds if you want less heat, or skip them entirely for a milder salad.
• Cilantro: Not a cilantro fan? Fresh parsley or chopped green onions give you that fresh herb flavor without the soapy taste some people experience.
• Salsa: Any salsa variety works – mild, medium, or hot depending on your preference. Pico de gallo is also a great fresh alternative.

Watch Out for These Mistakes While Cooking

The biggest mistake people make with pasta salad is adding the dressing while the pasta is still hot, which causes the mayo to break down and become oily – always let your pasta cool completely to room temperature first, or even chill it in the fridge for 20 minutes.

Another common error is under-salting the pasta water, so make sure to add plenty of salt when boiling (it should taste like the ocean) since this is your only chance to season the pasta itself.

Don’t forget to drain and rinse your black beans thoroughly, as the canned liquid can make your salad watery and add an unpleasant metallic taste.

Finally, pasta salad tends to dry out in the fridge as the noodles absorb the dressing, so reserve about a quarter of your sauce to stir in right before serving to bring back that creamy texture.

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What to Serve With Southwest Pasta Salad?

This pasta salad is pretty hearty on its own, but it pairs really well with grilled chicken, steak, or shrimp if you want to add even more protein to your meal. It’s also great alongside tacos, quesadillas, or burgers at a backyard cookout since it has those same southwest flavors. If you’re looking for something lighter on the side, tortilla chips with guacamole or a simple cucumber and tomato salad would round out the meal nicely. This dish also works as a main course for lunch – just grab some crispy tortilla chips for scooping and you’re all set.

Storage Instructions

Store: This pasta salad actually gets better after sitting in the fridge for a few hours as the flavors blend together. Keep it in an airtight container in the refrigerator for up to 4 days. You might need to give it a good stir before serving since the dressing can settle at the bottom.

Make Ahead: This is a great recipe to prep the night before a party or potluck. The pasta soaks up all those southwest flavors while it sits, making it even tastier the next day. Just wait to add any extra toppings like avocado or extra cilantro until right before serving to keep them fresh.

Serve: Since this is a cold salad, just pull it straight from the fridge when you’re ready to eat. If the dressing seems a bit thick after chilling, you can stir in a splash of lime juice or a spoonful of salsa to loosen it up.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 2200-2500
• Protein: 55-65 g
• Fat: 90-110 g
• Carbohydrates: 310-340 g

Ingredients

For the southwestern sauce:

• 3/4 cup avocado mayo (I prefer Chosen Foods for its clean flavor)
• 2 tbsp greek yogurt (Fage non-fat works great for creaminess)
• 4 tbsp salsa
• 5 tsp taco seasoning
• 2 garlic cloves (freshly minced for best flavor and aroma)
• 1.5 fl oz lime juice
• 1/2 tsp lime zest
• 1 tsp hot sauce
• 1 tsp salt

For the pasta salad:

• 1 lb pasta (I use Barilla Protein+ for the best texture)
• 18 oz black beans (rinsed and drained to keep the salad clean)
• 1/2 cup tomatoes
• 1/2 cup pickled onions
• 4 oz green chiles
• 1.25 cup corn
• 3 tbsp cilantro

Step 1: Prepare the Southwest Dressing

• 3/4 cup avocado mayo
• 2 tbsp greek yogurt
• 4 tbsp salsa
• 5 tsp taco seasoning
• 2 garlic cloves, freshly minced
• 1.5 fl oz lime juice
• 1/2 tsp lime zest
• 1 tsp hot sauce
• 1 tsp salt

In a medium bowl, whisk together the avocado mayo, greek yogurt, salsa, taco seasoning, minced garlic, lime juice, lime zest, hot sauce, and salt until smooth and well combined.

The yogurt will help lighten the dressing while maintaining creaminess.

Set aside at room temperature while you prepare the other components.

Step 2: Cook the Pasta

• 1 lb pasta

Bring a large pot of salted water to a boil and cook the pasta according to package directions until al dente.

Drain well and transfer to a large mixing bowl.

I like to let the pasta cool for a few minutes before adding the cold ingredients so the salad stays crisp and the dressing doesn’t get too thin.

Step 3: Combine the Vegetables and Beans

• cooked pasta from Step 2
• 18 oz black beans, rinsed and drained
• 1/2 cup tomatoes, diced
• 1/2 cup pickled onions
• 4 oz green chiles
• 1.25 cup corn
• 3 tbsp cilantro, chopped

To the cooled pasta, add the rinsed and drained black beans, diced tomatoes, pickled onions, green chiles, corn, and fresh cilantro.

Toss gently to distribute all the ingredients evenly throughout the pasta.

The pickled onions add a nice tang and brightness, so I prefer to drain them briefly before adding to avoid excess liquid.

Step 4: Dress and Finish the Salad

• Southwest dressing from Step 1
• combined pasta and vegetables from Step 3

Pour the Southwest dressing from Step 1 over the pasta and vegetable mixture, then toss thoroughly until every component is evenly coated.

Be gentle but thorough to ensure the dressing reaches the pasta at the bottom of the bowl.

Taste and adjust seasoning if needed—you may want to add a pinch more salt or lime juice depending on your preference.

Step 5: Chill and Serve

Let the salad rest for at least 15 minutes before serving to allow the flavors to meld together.

You can serve it chilled or at room temperature—it’s delicious either way and makes for great meal prep throughout the week.

Easy High Protein Southwest Pasta Salad

Delicious Easy High Protein Southwest Pasta Salad recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings 6 servings

Calories 2350 kcal

Ingredients

  

For the southwestern sauce::

• 3/4 cup avocado mayo (I prefer Chosen Foods for its clean flavor)
• 2 tbsp greek yogurt (Fage non-fat works great for creaminess)
• 4 tbsp salsa
• 5 tsp taco seasoning
• 2 garlic cloves (freshly minced for best flavor and aroma)
• 1.5 fl oz lime juice
• 1/2 tsp lime zest
• 1 tsp hot sauce
• 1 tsp salt

For the pasta salad::

• 1 lb pasta (I use Barilla Protein+ for the best texture)
• 18 oz black beans (rinsed and drained to keep the salad clean)
• 1/2 cup tomatoes
• 1/2 cup pickled onions
• 4 oz green chiles
• 1.25 cup corn
• 3 tbsp cilantro

Instructions

 

• In a medium bowl, whisk together the avocado mayo, greek yogurt, salsa, taco seasoning, minced garlic, lime juice, lime zest, hot sauce, and salt until smooth and well combined. The yogurt will help lighten the dressing while maintaining creaminess. Set aside at room temperature while you prepare the other components.
• Bring a large pot of salted water to a boil and cook the pasta according to package directions until al dente. Drain well and transfer to a large mixing bowl. I like to let the pasta cool for a few minutes before adding the cold ingredients so the salad stays crisp and the dressing doesn't get too thin.
• To the cooled pasta, add the rinsed and drained black beans, diced tomatoes, pickled onions, green chiles, corn, and fresh cilantro. Toss gently to distribute all the ingredients evenly throughout the pasta. The pickled onions add a nice tang and brightness, so I prefer to drain them briefly before adding to avoid excess liquid.
• Pour the Southwest dressing from Step 1 over the pasta and vegetable mixture, then toss thoroughly until every component is evenly coated. Be gentle but thorough to ensure the dressing reaches the pasta at the bottom of the bowl. Taste and adjust seasoning if needed—you may want to add a pinch more salt or lime juice depending on your preference.
• Let the salad rest for at least 15 minutes before serving to allow the flavors to meld together. You can serve it chilled or at room temperature—it's delicious either way and makes for great meal prep throughout the week.