01 -
Combine mayonnaise, yellow mustard, sweet relish, lemon juice, white vinegar, celery salt, garlic salt, salt, pepper, and cayenne pepper in a mixing bowl. Whisk until smooth. Cover and refrigerate to chill.
02 -
Bring a large pot of salted water to a boil. Add macaroni and cook until just al dente, approximately 7 minutes or according to package instructions.
03 -
Drain macaroni in a colander and rinse thoroughly under cold running water until completely cooled. Allow to drain well; spread pasta on a clean towel to remove excess moisture.
04 -
Peel and dice the hard-boiled eggs to preferred size, reserving some pieces for garnish if desired.
05 -
In a large mixing bowl, add the cooled macaroni, drained tuna, diced celery, red onion, peas, and diced eggs. Pour chilled dressing over the mixture. Using a silicone spatula, fold gently until everything is evenly coated.
06 -
Transfer mixture to a clean serving dish. Cover and refrigerate for at least 4 hours or overnight to allow flavours to develop and pasta to absorb the dressing.
07 -
Just before serving, garnish with reserved egg pieces, paprika, and diced green onions. Serve cold.