In a medium skillet preheated to medium-high heat, add the Olive Oil (1 tablespoon), Precooked Cajun Andouille Links (4) and Yellow Onion (1 cup). Sauté until the onion has softened; about four minutes.
Next take two slices of the Multigrain Bread (8 slice) and brush the tops with melted Unsalted Butter (4 tablespoon). Flip them over and spread some of the Pimento Cheese (1/2 cup) on both slices.
On just one slice top the pimento cheese with Shredded Cheddar Cheese (1/2 cup), Pickles (to taste), and andouille mixture. Place the other slice of bread on top and place sandwich in a panini press and grill until cheese has melted. Sprinkle Salt and Pepper (to taste).
Repeat the process until all sandwiches have been assembled.