Hey there. If you want to step up your guacamole, I have a few suggestions that work well beyond the standard ingrediants.
Consider adding roasted ingredients. Roasting vegetables brings out their natural sweetness and deepens their flavor profile. For example, roasting corn kernels until they are slightly charred can add a smoky, sweet element to your guacamole. Similarly, small pieces of roasted red bell pepper can contribute both color and a rich, sweet taste.
Another excellent addition for texture and a savory note is toasted nuts or seeds. Toasted pepitas, which are pumpkin seeds, provide a satisfying crunch and a nutty flavor that complements the creamy avocado. You could also try toasted pine nuts if you prefer a milder nut flavor. Ensure they are toasted lightly in a dry pan to avoid burning them, which can make them bitter.
For a more complex flavor, a small amount of finely minced chipotle in adobo sauce can introduce a smoky heat. Be careful with the quantity, as chipotle can be quite potent. Alternatively, a dash of a good quality hot sauce with a unique flavor profile, rather than just heat, could be interesting.
Lastly, fresh herbs beyond cilantro can open new avenues. A little bit of finely chopped fresh mint can add an unexpected brightness, or even a small amount of finely chopped dill for a different kind of fresh, aromatic quality. Just make sure these are used sparingly so they do not overpower the avocado. Experimentation is key to finding what you like best.