Boil the pasta in well-salted water until al dente, about 10–12 minutes.
Drain and rinse the pasta under cold water, then shake dry completely.
Whisk mayonnaise, sour cream, lime juice, olive oil, honey, and vinegar until smooth.
Season the dressing with chili powder, cumin, paprika, garlic, salt, and pepper. Thin with water if needed.
Combine cooled pasta, black beans, corn, tomatoes, bell pepper, red onion, jalapeño, cilantro, green onion, and cheese in a large bowl.
Pour in the dressing and toss until every piece is lightly coated.
Chill for 20–30 minutes to let flavors meld.
Fold in avocado just before serving. Taste and adjust salt, pepper, or lime.
Notes
Variation: Add grilled chicken or shrimp for a heartier main. Swap cheddar with cotija for a salty kick. For dairy-free, use avocado oil mayo and skip cheese.Storage: Keep chilled in an airtight container up to 3 days. Add avocado fresh and revive leftovers with a squeeze of lime.This recipe is an original creation inspired by classic Tex-Mex Pasta Salad Recipes flavors. All ingredient ratios and instructions are independently developed.