Salmon Cakes with Artichoke Tartar Sauce

Tartar Sauce:

1 small jar artichokes, drained and chopped

1 cup mayonnaise 

2 tablespoons chopped cornichons 

1 tablespoon chopped capers (rinsed and drained) 

2 teaspoons Dijon mustard 

Juice of 1/2 lemon 

Kosher salt and freshly ground black pepper 

Kosher salt and freshly ground black pepper

Cakes:

3 tablespoons olive oil

1/4 cup finely diced celery 

1/4 cup finely diced red onions 

1/4 cup finely diced red bell peppers

2 tablespoons minced freshly parsley 

Two 14.75-ounce cans boneless, skinless salmon 

2/3 cup cracker crumbs (I like Ritz)

2 tablespoons mayonnaise 

1 tablespoon Dijon mustard 

1/2 teaspoon kosher salt 

1/4 teaspoon freshly ground black pepper 

1 egg 

Zest of 1 lemon 

Juice of 1/2 lemon