Heat a large pot, on the stove, over medium heat, and add your butter to it.
Next, once the butter has melted, add your chopped shallot and mashed garlic to the pot. Stir until the shallots soften, which should take approximately 5 minutes.
Then, add your dry alphabet pasta to the pot and stir until it's coated in the butter.
Continue to stir the dry pasta for about 3-4 minutes, until it starts to get golden in color and it smells nice and toasty.
Then, add in your chicken broth, Parmigano Regiano rind (if using), sea salt, and pepper, and stir well.
Bring the mixture to a gentle boil, then turn down the heat to low and allow the mixture to cook for about 15 minutes, until most of the liquid has absorbed.
Finally, stir in the Parmigiano Reggiano, serve, and enjoy! Store any leftovers in the fridge for up to 5 days.
